Medical Dictionary


noun syn·cy·tio·tro·pho·blast \sin-ˌsish-ē-ō-ˈtrō-fə-ˌblast\

Medical Definition of syncytiotrophoblast

  1. :  the outer syncytial layer of the trophoblast that actively invades the uterine wall forming the outermost fetal component of the placenta—called also syntrophoblast; compare cytotrophoblast

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