trophectoderm

trophectoderm

 [trof-ek´to-derm] the earliest trophoblast.

troph·ec·to·derm

(trof-ek'tō-derm), Outermost layer of cells in the mammalian blastodermic vesicle, which will make contact with the endometrium and take part in establishing the embryo's means of receiving nutrition; the cell layer from which the trophoblast differentiates. [troph- + ectoderm]

troph·ec·to·derm

(trof-ek'tō-dĕrm) Outermost layer of cells in the mammalian blastocyst, which will make contact with the endometrium and take part in establishing the embryo's means of receiving nutrition; the cell layer from which the trophoblast differentiates.