vitelline membrane


Definition of vitelline membrane

: a membrane enclosing an egg that comprises the zona pellucida in mammals and that upon fertilization splits off from the surface of the egg forming a fertilization membrane in many invertebrates and amphibians and in some fish

First Known Use of vitelline membrane

1845, in the meaning defined above

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The first known use of vitelline membrane was in 1845

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vitelline membrane


Medical Definition of vitelline membrane

: a membrane enclosing the egg proper and corresponding to the plasma membrane of an ordinary cell

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