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Fertilization membrane

Definition

noun

The membrane that forms on the inner surface of the vitelline membrane of the ovum after the entry of a spermatozoon, thereby acting as a barrier to prevent additional penetration of other spermatozoa.


Supplement

The formation of this membrane around the fertilized ovum prevents multiple fertilization; a mechanism called slow block to polyspermy.


See also: monospermy.


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Mammalian Gametes

... motility. The egg cell is full of maternal mRNA that are silenced till fertilization. It also has vesicles just under the plasma membrane that will release enzymes upon one sperm contact and prevent polyspermy from happening. ...

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by kolean
Wed Sep 02, 2009 10:41 pm
 
Forum: Cell Biology
Topic: Mammalian Gametes
Replies: 3
Views: 49

vitelline membrane

is the vitelline membrane necessary for the normal development of the after fertilization? justify :oops:

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by cutie_kitty
Sun Jun 18, 2006 3:54 pm
 
Forum: Cell Biology
Topic: vitelline membrane
Replies: 0
Views: 353

The Molecular Biology of the Cell, 4th Edition, online FREE!

... in Living Cells References IV. Internal Organization of the Cell 10. Membrane Structure The Lipid Bilayer Membrane Proteins References 11. Membrane ... of Animals Integrins The Plant Cell Wall References 20. Germ Cells and Fertilization The Benefits of Sex Meiosis Primordial Germ Cells and Sex ...

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by JacobK
Thu Sep 22, 2005 12:33 pm
 
Forum: PDF & Doc Files
Topic: The Molecular Biology of the Cell, 4th Edition, online FREE!
Replies: 5
Views: 57522


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