File:Fert5.JPG
Fert5.JPG (577 × 575 pixels, file size: 104 KB, MIME type: image/jpeg)
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Summary[edit]
| Description | bovine fertilization |
| Date | 9/11/08 |
| Source | Own work |
| Author | Mtengows |
Cytochalasin-treated zona pellucida-free oocytes exposed to acrosome-reacted bull sperm display markedly different incorporation. Cytochalasin treatment alters the morphology of the oocyte microvilli, producing areas devoid of microvilli and microvilli with short, flat, club-like processes. After either 30 min (A), 60 min (B), 120 min (C), or 240 min (D) of sperm exposure with the oocytes in the presence of cytochalasin, the remaining oocyte microvilli are seen contacting the sperm head in various locations, yet the posterior sperm head, implantation fossa, and sperm tail with mitochondria remain outside the ooplasm, suggesting that oocyte microfilament assembly is important for successful sperm entry in the bovine system. Images originally published in: Tengowski, MW (2004) Microscopic techniques for studying sperm-oocyte interaction during fertilization and early embryonic development. Methods in Molecular Biology (Clifton, N.J.), 253, 165-99.
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:20, 11 September 2008 | | 577 × 575 (104 KB) | Mtengows (talk | contribs) | {{Information |Description=bovine fertilization |Source=self-made |Date=9/11/08 |Author= Mtengows |Permission= |other_versions= }} Cytochalasin-treated zona pellucida-free oocytes exposed to acrosome-reacted bull sperm display markedly d |
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