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Definition of Chorioallantois
1. Noun. The very vascular fetal membrane composed of the fused chorion and adjacent wall of the allantois.
Definition of Chorioallantois
1. Noun. (anatomy) The vascular extraembryonic membrane, formed by the fusion of the allantois and the chorion, that makes up the placenta in most mammals; the chorioallantoic membrane ¹
¹ Source: wiktionary.com
Definition of Chorioallantois
1. [n -ES]
Medical Definition of Chorioallantois
1. Extraembryonic membrane formed by the fusion of the allantois with the serosa or false chorion. In mammals it forms the foetal portion of the placenta; in avian embryos it is fused with the shell. (05 Mar 2000)
Lexicographical Neighbors of Chorioallantois
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