A structure or tissue, such as the chorion, amnion, and allantois, developed from the fertilized ovum but not part of the embryo proper.embryonic membrane
HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!
Test your memory on these verbal firecrackers from the week of June 29 to July 5!
Question 1 of 7
Words nearby fetal membrane
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.