Library / English Dictionary

CHORION

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

The outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)

Classified under:

Nouns denoting animals

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

sac (a structure resembling a bag in an animal)

Meronyms (parts of "chorion"):

chorionic villus (one of the tiny villi that stick out of the fetal chorion and combine with the mother's uterine tissue to form the placenta)

Domain category:

mammal; mammalian (any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk)

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

amniote (any member of the Amniota)

fetal membrane (any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus)

Derivation:

chorionic (of or relating to a chorion)

Credits