Medical Dictionary

trophectoderm

noun troph·ec·to·derm \ ˌtrōf-ˈek-tə-ˌdərm \

medical Definition of trophectoderm

:trophoblast; especially :the outer layer of the mammalian blastocyst after differentiation of the ectoderm, mesoderm, and endoderm when the outer layer is continuous with the ectoderm of the embryo

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