embryonic membrane
1embryonic membrane — n. any of several living membranes enclosing or closely associated with the developing vertebrate embryo, as the allantois, amnion, yolk sac, etc. * * * …
2embryonic membrane — n a structure (as the amnion) that derives from the fertilized ovum but does not form a part of the embryo …
3embryonic membrane — n. any of several living membranes enclosing or closely associated with the developing vertebrate embryo, as the allantois, amnion, yolk sac, etc …
4embryonic membrane — noun the inner membrane of embryos in higher vertebrates (especially when covering the head at birth) • Syn: ↑caul, ↑veil • Hypernyms: ↑fetal membrane • Part Holonyms: ↑placenta * * * noun …
5embryonic membrane. — See extraembryonic membrane. [1945 50] * * * …
6embryonic membrane — em′bryon′ic mem′brane n. dvl extraembryonic membrane • Etymology: 1945–50 …
7embryonic membrane. — See extraembryonic membrane. [1945 50] …
8embryonic membrane — noun Date: 1947 a structure (as the amnion) that derives from the fertilized ovum but does not form a part of the embryo …
9membrane — 1. A thin sheet or layer of pliable tissue, serving as a covering or envelope of a part, as the lining of a cavity, as a partition or septum, or to connect two structures. SYN: membrana [TA]. 2. SYN: biomembrane. [L. membrana, a skin or m …
10fetal membrane — noun any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus • Hypernyms: ↑membrane, ↑tissue layer • Hyponyms: ↑allantois, ↑caul, ↑veil, ↑embryonic membrane, ↑umbilical cord …
