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Chorioallantois

see synonyms of chorioallantois

Noun

1. chorioallantoic membrane, chorioallantois

the very vascular fetal membrane composed of the fused chorion and adjacent wall of the allantois

WordNet Lexical Database for English. Princeton University. 2010.

Chorioallantois

see synonyms of chorioallantois
noun
the membrane of a fetus that is formed by the merging of the allantois and the chorion

Collins English Dictionary. Copyright © HarperCollins Publishers

Chorioallantois

see synonyms of chorioallantois
noun
an enveloping vascular fetal membrane formed by the fusion of chorion and allantois in reptiles, birds, and most mammals: that of chicks is used as a culture medium for growing viruses

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Chorioallantois

see synonyms of chorioallantois
n.
The highly vascular fetal membrane that consists of the fused chorion and allantois, found adjacent to the eggshell in reptiles and birds and constituting the placenta in most mammals.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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