cytotrophoblast
noun
cy·to·tro·pho·blast
ˌsīt-ə-ˈtrō-fə-ˌblast 
: the inner cellular layer of the trophoblast of an embryonic placental mammal that gives rise to the plasmodial syncytiotrophoblast covering the placental villi
called also Langhans' layer, layer of Langhans
Cite this Entry
“Cytotrophoblast.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/cytotrophoblast. Accessed 3 Nov. 2025.
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