cy·​to·​tro·​pho·​blast ˌsīt-ə-ˈtrō-fə-ˌblast How to pronounce cytotrophoblast (audio)
: 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

cytotrophoblastic adjective

Dictionary Entries Near cytotrophoblast

Cite this Entry

“Cytotrophoblast.” Medical Dictionary, Merriam-Webster, Accessed 31 Mar. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

What Did You Just Call Me?

  • brown chihuahua sitting on the floor with squinting eyes looking at the camera
  • Before we went to her house, Hannah told us her aunt was a flibbertigibbet.
Spell It

Hear a word and type it out. How many can you get right?

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?