trophoblast

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English[edit]

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Etymology[edit]

tropho- +‎ -blast

Pronunciation[edit]

  • (UK) IPA(key): /ˈtɹɒfə(ʊ)blɑːst/

Noun[edit]

trophoblast ‎(plural trophoblasts)

  1. (cytology) The membrane of cells that forms the wall of a blastocyst during early pregnancy, providing nutrients to the embryo and later developing into part of the placenta.

Derived terms[edit]