TROPHOBLAST

 Dictionary entry overview: What does trophoblast mean? 

• TROPHOBLAST (noun)
  The noun TROPHOBLAST has 1 sense:

1. the membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall

  Familiarity information: TROPHOBLAST used as a noun is very rare.

 Dictionary entry details 

• TROPHOBLAST (noun)

Meaning:

The membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall

Classified under:

Nouns denoting animals

Context example:

after implantation of the blastocyst in the uterine wall the trophoblast divides into two layers, the chorion and the placenta

Hypernyms ("trophoblast" is a kind of...):

membrane; tissue layer (a pliable sheet of tissue that covers or lines or connects organs or cells of animals)

Holonyms ("trophoblast" is a part of...):

blastocyst; blastosphere (the blastula of mammals)