trophoblast
tro·pho·blast
noun \ˈtrō-fə-ˌblast\Definition of TROPHOBLAST
: the outer layer of the mammalian blastocyst that supplies nutrition to the embryo and facilitates implantation
— tro·pho·blas·tic \ˌtrō-fə-ˈblas-tik\ adjective
Origin of TROPHOBLAST
International Scientific Vocabulary
First Known Use: 1889
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