vitelline membrane


noun

the membrane surrounding the egg yolk.

Nearby words

  1. vite,
  2. vitebsk,
  3. vitelliform degeneration,
  4. vitellin,
  5. vitelline,
  6. vitelline pole,
  7. vitelline vessel,
  8. vitellogenesis,
  9. vitellogenic,
  10. vitellointestinal cyst

Origin of vitelline membrane

First recorded in 1835–45

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine 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

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.