troph·​ec·​to·​derm ˌtrōf-ˈek-tə-ˌdərm How to pronounce trophectoderm (audio)
: 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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Cite this Entry

“Trophectoderm.” Medical Dictionary, Merriam-Webster, Accessed 13 Jun. 2024.

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