vitelline membrane


noun

the membrane surrounding the egg yolk.

Origin of vitelline membrane

First recorded in 1835–45

British Dictionary definitions for vitelline membrane

vitelline membrane
/ (vɪˈtɛlɪn, -aɪn) /

noun

zoology a membrane that surrounds a fertilized ovum and prevents the entry of other spermatozoa

Medical definitions for vitelline membrane

vitelline membrane

n.

The membrane enveloping the yolk of an egg. ovular membrane yolk membrane
The pellucid zone of a mammalian ovum. yolk membrane