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Brazdanje - Istorija izmena
2024-03-28T21:29:47Z
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https://www.bionet-skola.com/w/index.php?title=Brazdanje&diff=25622&oldid=prev
Tsnena u 18:35, 23. februar 2015.
2015-02-23T18:35:45Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Izmena na datum 23. februar 2015. u 18:35</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l44" >Red 44:</td>
<td colspan="2" class="diff-lineno">Red 44:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Kada je u pitanju nedeterminisano razviće, tada 4 razdvojene blastomere daju 4 nova organizma zato što njihov razvojni put nije unapred bio određen. Zahvaljujući nedeterminisanom brazdanju kod čoveka postoji mogućnost rađanja jednojajnih blizanaca.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Kada je u pitanju nedeterminisano razviće, tada 4 razdvojene blastomere daju 4 nova organizma zato što njihov razvojni put nije unapred bio određen. Zahvaljujući nedeterminisanom brazdanju kod čoveka postoji mogućnost rađanja jednojajnih blizanaca.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==Morula i blastula==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Umnožavanjem blastomera koje se odvija tokom brazdanja, obrazuje se višećelijska '''morula''', kratkotrajni embrionalni stupanj od koga se ubrzo obrazuje '''blastula'''.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{Više podataka|Blastula}}</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Brazdanje kroz animacije i video==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Brazdanje kroz animacije i video==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*[http://media.pearsoncmg.com/bc/bc_campbell_essentials_3/videos/SeaUrchinTimeLapse-V.html]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*[http://media.pearsoncmg.com/bc/bc_campbell_essentials_3/videos/SeaUrchinTimeLapse-V.html]</div></td></tr>
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Tsnena
https://www.bionet-skola.com/w/index.php?title=Brazdanje&diff=23171&oldid=prev
Tsnena u 16:53, 9. avgust 2013.
2013-08-09T16:53:26Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Izmena na datum 9. avgust 2013. u 16:53</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Red 1:</td>
<td colspan="2" class="diff-lineno">Red 1:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Slika:Brazdanje.jpg|360px|right|mini|Položaj prve tri deobne ravni]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Slika:Brazdanje.jpg|360px|right|mini|Položaj prve tri deobne ravni]]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''Brazdanje''' (blastomerizacija, segmentacija) je serija mitotičkih deoba oplođenog jajeta između kojih nema rastenja. <del class="diffchange diffchange-inline">Brazdanjem </del>se jedna jedina [[ćelija]], oplođeno jaje, transformiše u višećelijski embrion. Oblik embriona se u toku brazdanja ne menja, a njegov rezultat je obrazovanje [[blastula|blastule]].</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>'''Brazdanje''' (blastomerizacija, segmentacija) je serija <ins class="diffchange diffchange-inline">brzih </ins>mitotičkih deoba oplođenog jajeta između kojih nema rastenja. <ins class="diffchange diffchange-inline">Prilikom brazdanja broj novonastalih ćelija se uvećava geometrijskom progresijom, od jedne nastanu dve, od dve četiri, zatim osam, šesnaest itd ćelija. Tako </ins>se jedna jedina [[ćelija]], oplođeno jaje, transformiše u višećelijski embrion. Oblik <ins class="diffchange diffchange-inline">i veličina </ins>embriona se u toku brazdanja ne menja, a njegov rezultat je obrazovanje [[blastula|blastule]].</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Oplođeno jaje se prvo deli uspravnom deobnom ravni na 2 ćelije, zatim se one ponovo uspravnom ravni (normalnom na prethodnu) podele na 4 ćelije. Treća deobna ravan je horizontalna i paralelna ekvatoru jajeta.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Oplođeno jaje se prvo deli uspravnom deobnom ravni na 2 ćelije, zatim se one ponovo uspravnom ravni (normalnom na prethodnu) podele na 4 ćelije. Treća deobna ravan je horizontalna i paralelna ekvatoru jajeta.</div></td></tr>
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Tsnena
https://www.bionet-skola.com/w/index.php?title=Brazdanje&diff=23170&oldid=prev
Tsnena u 16:25, 9. avgust 2013.
2013-08-09T16:25:52Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Izmena na datum 9. avgust 2013. u 16:25</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l7" >Red 7:</td>
<td colspan="2" class="diff-lineno">Red 7:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Tipovi brazdanja==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Tipovi brazdanja==</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[Slika:Vrste brazdanja.jpg|468px|mini|right|Vrste brazdanja (s leva na desno): ravnomerno brazdanje oligolecitnih (izolecitnih) jaja (morski jež), neravnomerno brazdanje mezolecitnih jaja(žaba), diskoidalno brazdanje teloelcitnih jaja(ptice), površinsko brazdanje centrolecitnih jaja (insekti)]]</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[Slika:Vrste brazdanja.jpg|468px|mini|right|Vrste brazdanja (s leva na desno): ravnomerno brazdanje oligolecitnih (izolecitnih) jaja (morski jež), neravnomerno brazdanje mezolecitnih jaja(žaba), diskoidalno brazdanje teloelcitnih jaja (ptice), površinsko brazdanje centrolecitnih jaja (insekti)]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Na brazdanje utiče žumance tako što njegova velika količina može da uspori ili inhibira (zaustavi, spreči) brazdanje. Prema tome postoje dva osnovna tipa brazdanja:</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Na brazdanje utiče žumance tako što njegova velika količina može da uspori ili inhibira (zaustavi, spreči) brazdanje. Prema tome postoje dva osnovna tipa brazdanja:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*potpuno (totalno) ili holoblastičko i </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*potpuno (totalno) ili holoblastičko i </div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l20" >Red 20:</td>
<td colspan="2" class="diff-lineno">Red 20:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*inekvalno (neravnomerno). </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*inekvalno (neravnomerno). </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Kod totalno-ekvalnog brazdanja treća deobna ravan je na ekvatoru pa se dobijaju sve blastomere jednake po veličini ( kod oligolecitnih jajnih ćelija).</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Kod totalno-ekvalnog brazdanja treća deobna ravan je na ekvatoru pa se dobijaju sve blastomere jednake po veličini ( kod oligolecitnih jajnih ćelija)<ins class="diffchange diffchange-inline">. Totalna ekvalna segmentacija prisutna je kod [[morski jež|morskog ježa]], [[amfioksus]]a i [[sisari|sisara]], ali i kod većine [[sunđeri|sunđera]], [[hidrozoa]], [[nematoda]]</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Kada je treća deobna ravan iznad ekvatora (bliža animalnom polu), onda na animalnom polu nastaju sitnije blastomere – mikromere, a na vegetativnom polu su krupnije – makromere. Takvo brazdanje je totalno – inekvalno i karakteristično je za neznatno telolecitna jaja (mezolecitna jaja).</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Kada je treća deobna ravan iznad ekvatora (bliža animalnom polu), onda na animalnom polu nastaju sitnije blastomere – mikromere, a na vegetativnom polu su krupnije – makromere. Takvo brazdanje je totalno – inekvalno i karakteristično je za neznatno telolecitna jaja (mezolecitna jaja).</div></td></tr>
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Tsnena
https://www.bionet-skola.com/w/index.php?title=Brazdanje&diff=11833&oldid=prev
Tsnena u 17:13, 20. septembar 2009.
2009-09-20T17:13:06Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Izmena na datum 20. septembar 2009. u 17:13</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l44" >Red 44:</td>
<td colspan="2" class="diff-lineno">Red 44:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Kada je u pitanju nedeterminisano razviće, tada 4 razdvojene blastomere daju 4 nova organizma zato što njihov razvojni put nije unapred bio određen. Zahvaljujući nedeterminisanom brazdanju kod čoveka postoji mogućnost rađanja jednojajnih blizanaca.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Kada je u pitanju nedeterminisano razviće, tada 4 razdvojene blastomere daju 4 nova organizma zato što njihov razvojni put nije unapred bio određen. Zahvaljujući nedeterminisanom brazdanju kod čoveka postoji mogućnost rađanja jednojajnih blizanaca.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==Brazdanje kroz animacije i video==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[http://media.pearsoncmg.com/bc/bc_campbell_essentials_3/videos/SeaUrchinTimeLapse-V.html]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Literatura==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Literatura==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Ćurčić, B: Razviće životinja, Naučna knjiga, Beograd, 1990. </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Ćurčić, B: Razviće životinja, Naučna knjiga, Beograd, 1990. </div></td></tr>
</table>
Tsnena
https://www.bionet-skola.com/w/index.php?title=Brazdanje&diff=10457&oldid=prev
Tsnena u 15:53, 14. jun 2009.
2009-06-14T15:53:51Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Starija izmena</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Izmena na datum 14. jun 2009. u 15:53</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l4" >Red 4:</td>
<td colspan="2" class="diff-lineno">Red 4:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Oplođeno jaje se prvo deli uspravnom deobnom ravni na 2 ćelije, zatim se one ponovo uspravnom ravni (normalnom na prethodnu) podele na 4 ćelije. Treća deobna ravan je horizontalna i paralelna ekvatoru jajeta.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Oplođeno jaje se prvo deli uspravnom deobnom ravni na 2 ćelije, zatim se one ponovo uspravnom ravni (normalnom na prethodnu) podele na 4 ćelije. Treća deobna ravan je horizontalna i paralelna ekvatoru jajeta.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Rezultat ove prve tri deobe je 8 ćelija pri čemu su 4 smeštene na animalnom, a 4 na vegetativnom polu. Ćelije koje nastaju brazdanjem nazivaju se blastomere (blastos=embrion; meros=deo). S obzirom da između deoba nema rasta, blastomere su, kako brazdanje odmiče, sve sitnije i sitnije.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Rezultat ove prve tri deobe je 8 ćelija pri čemu su 4 smeštene na animalnom, a 4 na vegetativnom polu. Ćelije koje nastaju brazdanjem nazivaju se blastomere (<ins class="diffchange diffchange-inline">grč. ''</ins>blastos<ins class="diffchange diffchange-inline">'' </ins>= embrion; <ins class="diffchange diffchange-inline">''</ins>meros<ins class="diffchange diffchange-inline">''</ins>= deo). S obzirom da između deoba nema rasta, blastomere su, kako brazdanje odmiče, sve sitnije i sitnije.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Tipovi brazdanja==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Tipovi brazdanja==</div></td></tr>
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Tsnena
https://www.bionet-skola.com/w/index.php?title=Brazdanje&diff=10455&oldid=prev
Tsnena u 11:59, 14. jun 2009.
2009-06-14T11:59:57Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Izmena na datum 14. jun 2009. u 11:59</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Red 1:</td>
<td colspan="2" class="diff-lineno">Red 1:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Slika:Brazdanje.jpg|360px|right|mini|Položaj prve tri deobne ravni]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Slika:Brazdanje.jpg|360px|right|mini|Položaj prve tri deobne ravni]]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''Brazdanje''' (blastomerizacija, segmentacija) je serija mitotičkih deoba oplođenog jajeta između kojih nema rastenja. Brazdanjem se jedna jedina ćelija, oplođeno jaje, transformiše u višećelijski embrion. Oblik embriona se u toku brazdanja ne menja, a njegov rezultat je obrazovanje blastule.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>'''Brazdanje''' (blastomerizacija, segmentacija) je serija mitotičkih deoba oplođenog jajeta između kojih nema rastenja. Brazdanjem se jedna jedina <ins class="diffchange diffchange-inline">[[</ins>ćelija<ins class="diffchange diffchange-inline">]]</ins>, oplođeno jaje, transformiše u višećelijski embrion. Oblik embriona se u toku brazdanja ne menja, a njegov rezultat je obrazovanje <ins class="diffchange diffchange-inline">[[blastula|</ins>blastule<ins class="diffchange diffchange-inline">]]</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Oplođeno jaje se prvo deli uspravnom deobnom ravni na 2 ćelije, zatim se one ponovo uspravnom ravni (normalnom na prethodnu) podele na 4 ćelije. Treća deobna ravan je horizontalna i paralelna ekvatoru jajeta.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Oplođeno jaje se prvo deli uspravnom deobnom ravni na 2 ćelije, zatim se one ponovo uspravnom ravni (normalnom na prethodnu) podele na 4 ćelije. Treća deobna ravan je horizontalna i paralelna ekvatoru jajeta.</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l34" >Red 34:</td>
<td colspan="2" class="diff-lineno">Red 34:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Nepotpuno se brazdaju jaja sa velikom količinom, gusto napakovanog žumanceta pri čemu se brazda samo deo jajeta sa citoplazmom, dok deo sa žumancetom ostaje nepodeljen. Jajne ćelije sa nepotpunim brazdanjem nazivaju se '''meroblastičke'''.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Nepotpuno se brazdaju jaja sa velikom količinom, gusto napakovanog žumanceta pri čemu se brazda samo deo jajeta sa citoplazmom, dok deo sa žumancetom ostaje nepodeljen. Jajne ćelije sa nepotpunim brazdanjem nazivaju se '''meroblastičke'''.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Izrazito telolecitna jaja (sa velikom količinom žumanceta) se brazdaju tako što se samo podeli citoplazma u vidu diska na animalnom polu, pa se takvo brazdanje naziva '''parcijalno-diskoidalno'''.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Izrazito <ins class="diffchange diffchange-inline">[[</ins>telolecitna jaja<ins class="diffchange diffchange-inline">]] </ins>(sa velikom količinom žumanceta) se brazdaju tako što se samo podeli citoplazma u vidu diska na animalnom polu, pa se takvo brazdanje naziva '''parcijalno-diskoidalno'''.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Centrolecitna jaja se brazdaju '''površinskim (superficijelnim) brazdanjem'''. Kod ovog brazdanja se deli samo površinski sloj citoplazme, dok centralno žumance ostaje nepodeljeno.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Centrolecitna jaja se brazdaju '''površinskim (superficijelnim) brazdanjem'''. Kod ovog brazdanja se deli samo površinski sloj citoplazme, dok centralno žumance ostaje nepodeljeno.</div></td></tr>
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Tsnena
https://www.bionet-skola.com/w/index.php?title=Brazdanje&diff=10454&oldid=prev
Tsnena: /* Potpuno brazdanje */
2009-06-14T11:57:46Z
<p><span dir="auto"><span class="autocomment">Potpuno brazdanje</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Izmena na datum 14. jun 2009. u 11:57</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l12" >Red 12:</td>
<td colspan="2" class="diff-lineno">Red 12:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*nepotpuno (parcijalno, delimično) ili meroblastičko</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*nepotpuno (parcijalno, delimično) ili meroblastičko</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Potpuno brazdanje===</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Potpuno brazdanje===</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Totalno brazdanje je karakteristično za jaja sa malom količinom žumanceta, kakva su oligolecitna i neznatno telolecitna (mezolecitna). Pri ovom brazdanju se podeli čitava jajna ćelija. Jajne ćelije koje se potpuno brazdaju nazivaju se holoblastičke. Totalno brazdanje može biti:</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Totalno brazdanje je karakteristično za jaja sa malom količinom žumanceta, kakva su<ins class="diffchange diffchange-inline">:</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">* </ins>oligolecitna <ins class="diffchange diffchange-inline">(izolecitna) </ins>i </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">*</ins>neznatno telolecitna (mezolecitna). </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Pri ovom brazdanju se podeli čitava jajna ćelija. Jajne ćelije koje se potpuno brazdaju nazivaju se holoblastičke. Totalno brazdanje može biti:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*ekvalno (ravnomerno) i </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*ekvalno (ravnomerno) i </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*inekvalno (neravnomerno). </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*inekvalno (neravnomerno). </div></td></tr>
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Tsnena
https://www.bionet-skola.com/w/index.php?title=Brazdanje&diff=10453&oldid=prev
Tsnena u 11:56, 14. jun 2009.
2009-06-14T11:56:54Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Izmena na datum 14. jun 2009. u 11:56</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l7" >Red 7:</td>
<td colspan="2" class="diff-lineno">Red 7:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Tipovi brazdanja==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Tipovi brazdanja==</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[Slika:Vrste brazdanja.jpg|468px|mini|right|Vrste brazdanja (s leva na desno): ravnomerno (morski jež), neravnomerno (žaba), diskoidalno (ptice), površinsko (insekti)]]</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[Slika:Vrste brazdanja.jpg|468px|mini|right|Vrste brazdanja (s leva na desno): ravnomerno <ins class="diffchange diffchange-inline">brazdanje oligolecitnih (izolecitnih) jaja </ins>(morski jež), neravnomerno <ins class="diffchange diffchange-inline">brazdanje mezolecitnih jaja</ins>(žaba), diskoidalno <ins class="diffchange diffchange-inline">brazdanje teloelcitnih jaja</ins>(ptice), površinsko <ins class="diffchange diffchange-inline">brazdanje centrolecitnih jaja </ins>(insekti)]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Na brazdanje utiče žumance tako što njegova velika količina može da uspori ili inhibira (zaustavi, spreči) brazdanje. Prema tome postoje dva osnovna tipa brazdanja:</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Na brazdanje utiče žumance tako što njegova velika količina može da uspori ili inhibira (zaustavi, spreči) brazdanje. Prema tome postoje dva osnovna tipa brazdanja:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*potpuno (totalno) ili holoblastičko i </div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*potpuno (totalno) ili holoblastičko i </div></td></tr>
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Tsnena
https://www.bionet-skola.com/w/index.php?title=Brazdanje&diff=10452&oldid=prev
Tsnena u 11:54, 14. jun 2009.
2009-06-14T11:54:58Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Starija izmena</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Izmena na datum 14. jun 2009. u 11:54</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l18" >Red 18:</td>
<td colspan="2" class="diff-lineno">Red 18:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Kod totalno-ekvalnog brazdanja treća deobna ravan je na ekvatoru pa se dobijaju sve blastomere jednake po veličini ( kod oligolecitnih jajnih ćelija).</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Kod totalno-ekvalnog brazdanja treća deobna ravan je na ekvatoru pa se dobijaju sve blastomere jednake po veličini ( kod oligolecitnih jajnih ćelija).</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Kada je treća deobna ravan iznad ekvatora (bliža animalnom polu), onda na animalnom polu nastaju sitnije blastomere – mikromere, a na vegetativnom polu su krupnije – makromere. Takvo brazdanje je totalno – inekvalno i karakteristično je za neznatno telolecitna jaja.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Kada je treća deobna ravan iznad ekvatora (bliža animalnom polu), onda na animalnom polu nastaju sitnije blastomere – mikromere, a na vegetativnom polu su krupnije – makromere. Takvo brazdanje je totalno – inekvalno i karakteristično je za neznatno telolecitna jaja <ins class="diffchange diffchange-inline">(mezolecitna jaja)</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Na osnovu položaja deobnih ravni razlikuju se sledeći tipovi <del class="diffchange diffchange-inline">ptpunog </del>brazdanja:</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Na osnovu položaja deobnih ravni razlikuju se sledeći tipovi <ins class="diffchange diffchange-inline">potpunog </ins>brazdanja:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*spiralno</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*spiralno</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*bilateralno</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*bilateralno</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l28" >Red 28:</td>
<td colspan="2" class="diff-lineno">Red 28:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Nepotpuno brazdanje===</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>===Nepotpuno brazdanje===</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Nepotpuno se brazdaju jaja sa velikom količinom, gusto napakovanog žumanceta pri čemu se brazda samo deo jajeta sa citoplazmom, dok deo sa žumancetom ostaje nepodeljen. Jajne ćelije sa nepotpunim brazdanjem nazivaju se meroblastičke.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Nepotpuno se brazdaju jaja sa velikom količinom, gusto napakovanog žumanceta pri čemu se brazda samo deo jajeta sa citoplazmom, dok deo sa žumancetom ostaje nepodeljen. Jajne ćelije sa nepotpunim brazdanjem nazivaju se <ins class="diffchange diffchange-inline">'''</ins>meroblastičke<ins class="diffchange diffchange-inline">'''</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Izrazito <del class="diffchange diffchange-inline">i umereno </del>telolecitna jaja se brazdaju tako što se samo podeli citoplazma u vidu diska na animalnom polu, pa se takvo brazdanje naziva parcijalno-diskoidalno.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Izrazito telolecitna jaja <ins class="diffchange diffchange-inline">(sa velikom količinom žumanceta) </ins>se brazdaju tako što se samo podeli citoplazma u vidu diska na animalnom polu, pa se takvo brazdanje naziva <ins class="diffchange diffchange-inline">'''</ins>parcijalno-diskoidalno<ins class="diffchange diffchange-inline">'''</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Centrolecitna jaja se brazdaju površinskim (superficijelnim) brazdanjem. Kod ovog brazdanja se deli samo površinski sloj citoplazme, dok centralno žumance ostaje nepodeljeno.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Centrolecitna jaja se brazdaju <ins class="diffchange diffchange-inline">'''</ins>površinskim (superficijelnim) brazdanjem<ins class="diffchange diffchange-inline">'''</ins>. Kod ovog brazdanja se deli samo površinski sloj citoplazme, dok centralno žumance ostaje nepodeljeno.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Jajne ćelije čoveka su alecitne (bez žumanceta), pošto embrion u ishrani zavisi od majke, a ne od žumanceta. Njihovo brazdanje počinje kao totalno-ekvalno, ali se nastavlja i završava kao parcijalno-diskoidalno.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Jajne ćelije čoveka su <ins class="diffchange diffchange-inline">'''</ins>alecitne<ins class="diffchange diffchange-inline">''' </ins>(bez žumanceta), pošto embrion u ishrani zavisi od majke, a ne od žumanceta. Njihovo brazdanje počinje kao totalno-ekvalno, ali se nastavlja i završava kao parcijalno-diskoidalno.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Determinisano i nedeterminisano razviće==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Determinisano i nedeterminisano razviće==</div></td></tr>
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Tsnena
https://www.bionet-skola.com/w/index.php?title=Brazdanje&diff=8497&oldid=prev
Tsnena: /* Determinisano i nedeterminisano razviće */
2009-03-16T16:52:26Z
<p><span dir="auto"><span class="autocomment">Determinisano i nedeterminisano razviće</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Starija izmena</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Izmena na datum 16. mart 2009. u 16:52</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l40" >Red 40:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Kada je u pitanju nedeterminisano razviće, tada 4 razdvojene blastomere daju 4 nova organizma zato što njihov razvojni put nije unapred bio određen. Zahvaljujući nedeterminisanom brazdanju kod čoveka postoji mogućnost rađanja jednojajnih blizanaca.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Kada je u pitanju nedeterminisano razviće, tada 4 razdvojene blastomere daju 4 nova organizma zato što njihov razvojni put nije unapred bio određen. Zahvaljujući nedeterminisanom brazdanju kod čoveka postoji mogućnost rađanja jednojajnih blizanaca.</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">== Literatura==</ins></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[Kategorija:Razviće životinja]]</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">*Ćurčić, B: Razviće životinja, Naučna knjiga, Beograd, 1990. </ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">*Popović, S: Embriologija čoveka, Dečije novine, Beograd, 1990 </ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">*Pantić, V: Embriologija, Naučna knjiga, beograd, 1989 </ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">*Hale. W, G, Morgham, J, P: Školska enciklopedija biologije, Knjiga-komerc, Beograd </ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">*Mariček, Magdalena, Ćurčić, B, Radović, I: Specijalna zoologija. naučna knjiga, Beograd, 1986 </ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">[[Kategorija:Embriologija]] </ins>[[Kategorija:Razviće životinja]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">{{Potpis2}}</ins></div></td></tr>
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