Lexic.us

Definition of Trophoblast

1. Noun. The membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall. "After implantation of the blastocyst in the uterine wall the trophoblast divides into two layers, the chorion and the placenta"

Definition of Trophoblast

1. [n -S]

Medical Definition of Trophoblast

1. Extra embryonic layer of epithelium that forms around the mammalian blastocyst and attaches the embryo to the uterus wall. Forms the outer layer of the chorion and together with maternal tissue will form the placenta. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Trophoblast

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