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chorioallantois
(redirected from chorioallantoic)

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chorioallantois /cho·rio·al·lan·to·is/ (-ah-lan´to-is) an extraembryonic structure formed by union of the chorion and allantois, which by means of vessels in the associated mesoderm serves in gas exchange. In reptiles and birds, it is a membrane apposed to the shell; in many mammals, it forms the placenta.chorioallanto´ic
cho·ri·o·al·lan·to·is (kôr--lnt-s)
n.
The highly vascular extraembryonic membrane formed by the fusion of the allantois with the chorion that constitutes the placenta in most mammals.
chori·o·allan·toic (--ln-tk) adj.
chorioallantois
an extraembryonic structure formed by union of the chorion and allantois, which by means of vessels in the associated mesoderm serves in gas exchange; in many mammals, it forms the placenta.


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For virus isolation, crusts were collected from 5 cows and 1 calf, macerated, and added to the chorioallantoic membrane of embryonated eggs (2).
Passatempo virus, a vaccinia virus strain, Brazil by Kroon, Erna G. / Emerging Infectious Diseases
the hen's egg test-chorioallantoic membrane (HET-CAM) assay, chorioallantoic membrane vascular assay (CAMVA), tissue equivalent assay]; cytotoxicity assays (e.
Alternatives to toxicity testing in animals: challenges and ... by McNamee, Pauline / Environmental Health Perspectives
The variola virus was first cultivated in 1935 by Tortes and Teixeria on the chorioallantoic membrane of embryonated eggs (23).
Osler and the infected letter by Ambrose, Charles T. / Emerging Infectious Diseases
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