Chorioallantois Definition

kôrē-ōə-lăntō-ĭs
noun
An enveloping vascular fetal membrane formed by the fusion of chorion and allantois in reptiles, birds, and most mammals: that of chicks is used as a culture medium for growing viruses.
Webster's New World
Synonyms:
  • chorioallantoic membrane

Other Word Forms of Chorioallantois

Noun

Singular:
chorioallantois
Plural:
chorioallantoises

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chorioallantois