vitelline membrane
noun
the membrane surrounding the egg yolk.
Origin of vitelline membrane
First recorded in 1835–45
Words nearby vitelline membrane
vite,
vitebsk,
vitelliform degeneration,
vitellin,
vitelline,
vitelline membrane,
vitelline pole,
vitelline vessel,
vitellogenesis,
vitellogenic,
vitellointestinal cyst
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