File:Polar body extrusion model.jpg
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Polar body extrusion model
A simplified model depicting the cortical cap protrusion and spindle midzone-induced membrane furrowing during polar body extrusion. (A) Chromosomes induce formation of a cortical actomyosin cap/ring prior to polar body extrusion. The squared region of the cortical cap/ring is shown on the top, an actin cap (red) surrounded by a myosin II ring (green). (B) Egg activation induces the cortical cap protrusion. (C) The anaphase spindle midzone induces unilateral furrowing. (D) Spindle rotation. (E) Spindle midzone induces bilateral furrowing and abscission of polar body.
Reference
<pubmed>21867530</pubmed>
Copyright
© 2011 Wang et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 5. 1747-1028-6-17-5-l.jpg http://www.celldiv.com/content/6/1/17/figure/F5
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:07, 18 March 2013 | | 1,200 × 435 (70 KB) | Z8600021 (talk | contribs) | ==Polar body extrusion model== A simplified model depicting the cortical cap protrusion and spindle midzone-induced membrane furrowing during polar body extrusion. (A) Chromosomes induce formation of a cortical actomyosin cap/ring prior to polar body... |
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