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Trophoblast

   Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.07 sec.
trophoblast /tro·pho·blast/ (tro´fo-blast) the peripheral cells of the blastocyst, which attach the blastocyst to the uterine wall and become the placenta and the membranes that nourish and protect the developing organism.trophoblas´tic
tro·pho·blast (trf-blst)
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.
tropho·blastic adj.
Trophoblast
The tissues that surround an embryo and attach it to the uterus.
Mentioned in: Choriocarcinoma
trophoblast
the peripheral cells of the blastocyst, which attach the fertilized ovum to the uterine wall and contribute to the placenta and the membranes that nourish and protect the developing organism. The inner cellular layer is the cytotrophoblast and the outer layer is the syntrophoblast.
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