trophoblastic

trophoblast

[trof-uh-blast, troh-fuh-]
noun Embryology.
the layer of extraembryonic ectoderm that chiefly nourishes the embryo or develops into fetal membranes with nutritive functions.

Origin:
1885–90; tropho- + -blast

trophoblastic, adjective
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World English Dictionary
trophoblast (ˈtrɒfəˌblæst)
 
n
the outer layer of cells of the embryo of placental mammals, which is attached to the uterus wall and absorbs nourishment from the uterine fluids
 
[C19: from tropho- + -blast]
 
tropho'blastic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

trophoblast tro·pho·blast (trō'fə-blāst')
n.
The outermost layer of cells of the blastocyst that attaches the fertilized ovum to the uterine wall and serves as a nutritive pathway for the embryo. Also called trophoderm.


tro'pho·blas'tic adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
trophoblast   (trō'fə-blāst')  Pronunciation Key 
The outermost layer of cells of the blastocyst, which attaches the fertilized ovum to the uterine wall and serves as a nutritive pathway for the embryo. The trophoblast eventually differentiates into such tissues as the amnion, the placenta, and the umbilical cord.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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