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chorioallantois: Meaning and Definition of
cho•ri•o•al•lan•to•is
Pronunciation: (kôr"ē-ō-u-lan'tō-is, -tois, kōr"-), [key]
— n. Embryol., Zool.
- a vascular, extraembryonic membrane of birds, reptiles, and certain mammals, formed by the fusion of the wall of the chorion with the wall of the allantois. Also called
See also:
- chorioallantois (Thesaurus)
