Synonyms
Etymology
1. chorion
noun. the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals).
Synonyms
- fetal membrane
- chorionic villus
- amniote
Etymology
- chorion (Latin)
- χοριον (Ancient Greek (to 1453))
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Example sentences of the word chorion
1. Noun, singular or mass
Each egg is surrounded by a chorion, a hard outer shell that protects the larva.