vitelline membrane

noun

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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More Definitions for vitelline membrane

vitelline membrane

noun

Medical Definition of vitelline membrane 

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

More from Merriam-Webster on vitelline membrane

Britannica.com: Encyclopedia article about vitelline membrane

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