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Synset

the membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall
<noun.animal>

sample sentences

"after implantation of the blastocyst in the uterine wall the trophoblast divides into two layers, the chorion and the placenta"
lexical pointers
derivationally related form
semantic pointers
part holonym
hypernym