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Pronunciation varies by accent · 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.
Use chorioallantois when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Chorioallantois means (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.
Common synonyms include chorioallantoic membrane.
The opposite depends on the specific sense.
Use chorioallantois where its definition matches the intended context.
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