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.


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified on 11 November 2008, at 06:31. This page has been accessed 24,308 times. 
What links here | Related changes | Permanent link