trophoblast
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.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
tro·pho·blast
noun \ˈtrō-fə-ˌblast\ (Medical Dictionary)Medical Definition of TROPHOBLAST
: the outer layer of the mammalian blastocyst that supplies nutrition to the embryo, facilitates implantation by eroding away the tissues of the uterus with which it comes in contact allowing the blastocyst to sink into the cavity formed in the uterine wall, and differentiates into the extraembryonic membranes surrounding the embryo—called also trophoderm
—tro·pho·blas·tic \ˌtrō-fə-ˈblas-tik\ (audio pronunciation) adjective
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