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Definition of Blastocyst
1. Noun. The blastula of a placental mammal in which some differentiation of cells has occurred.
Definition of Blastocyst
1. n. The germinal vesicle.
Definition of Blastocyst
1. [n -S]
Medical Definition of Blastocyst
1. In mammalian development, cleavage produces a thin walled hollow sphere, whose wall is the trophoblast, with the embryo proper being represented by a mass of cells at one side. The blastocyst is formed before implantation and is equivalent to the blastula. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)
Lexicographical Neighbors of Blastocyst
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