trophectoderm

noun

troph·ec·to·derm ˌtrōf-ˈek-tə-ˌdərm

: 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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“Trophectoderm.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/trophectoderm. Accessed 29 Mar. 2023.

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