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trophoblast

play
noun tro·pho·blast \ˈtrō-fə-ˌblast\

Definition of trophoblast

  1. :  the outer layer of the mammalian blastocyst that supplies nutrition to the embryo and facilitates implantation

trophoblastic

play \ˌtrō-fə-ˈblas-tik\ adjective


Origin and Etymology of trophoblast

International Scientific Vocabulary


First Known Use: 1889


Medical Dictionary

trophoblast

play
noun tro·pho·blast \ˈtrō-fə-ˌblast\

Medical Definition of trophoblast

  1. :  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

trophoblastic

\ˌtrō-fə-ˈblas-tik\play adjective



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