Vitelline membrane
id:
vitelline-membrane-268-18005197
title:
Vitelline membrane
text:
The vitelline membrane or vitelline envelope is a structure surrounding the outer surface of the plasma membrane of an ovum or, in some animals, the extracellular yolk and the oolemma. It is composed mostly of protein fibers, with protein receptors needed for sperm binding which, in turn, are bound to sperm plasma membrane receptors. The species-specificity between these receptors contributes to prevention of breeding between different species.
It is called zona pellucida in mammals. Between the
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Vitelline_membrane
date created:
date modified:
2022-12-12T07:25:37Z
main entity:
{"identifier":"Q22328101","url":"https://www.wikidata.org/entity/Q22328101"}
image:
fields total:
13
integrity:
13