Definition of Chorioallantois

1. Noun. The very vascular fetal membrane composed of the fused chorion and adjacent wall of the allantois.

Exact synonyms: Chorioallantoic Membrane
Generic synonyms: Membrane, Tissue Layer

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

choriambic
choriambics
choriambs
choriambus
choriambuses
choric
chorine
chorines
choring
chorio-
chorioadenoma
chorioallantoic
chorioallantoic graft
chorioallantoic membrane
chorioallantoic placenta
chorioallantois (current term)
chorioallantoises
chorioamnionic placenta
chorioamnionitis
chorioangioma
chorioangiomas
chorioangiomata
choriocapillaris
choriocapillary layer
choriocarcinoma
choriocarcinomas
choriocarcinomata

Literary usage of Chorioallantois

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Journal of Comparative Pathology and Therapeutics (1888)
"Primary culture of chick chorioallantois. Cells show extensive vacuolation of cytoplasm and nuclear change. (Roller-tube, x 130). Fig. 15. ..."

2. The Journal of Comparative Pathology and Therapeutics (1888)
"Attempts at cultivation of the virus on the chorioallantois of the chick embryo were not successful. Manninger et al. (1940) reported the cultivation of a ..."

3. The Oxford Medicine by Henry Asbury Christian, James Mackenzie (1920)
"... blood as well as from the contents of cantharides-provoked blisters over the rash and to have grown the virus on the chorioallantois of the egg embryo. ..."

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