Definition of chorion
English to English noun - the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)
source: WordNet 3.0 - The outer membrane which invests the fetus in the womb; also, the similar membrane investing many ova at certain stages of development.
source: Webster 1913
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Nearby Word
chorion, chorine, coronion, cohorn, corona, charon, chiron, coroun, corn, charina, carrion, crinion, coehorn, cruorin, corinne, corny, croon, cerin, crony, crone
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