chorioallantois


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to chorioallantois: chorioallantoic

chorioallantois

[¦kȯr·ē·ō·ə′lant·ə·wəs]
(embryology)
A vascular fetal membrane that is formed by the close association or fusion of the chorion and allantois.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Mentioned in ?
References in periodicals archive ?
Stage II is marked by rupture of chorioallantois and delivery of foetus which often occurs in less than 30 minutes.
The clinical examination revealed presence of chorioallantois membrane at the vulva (Fig.