Examples of allantois from BoostVocab

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allantois

/ə'læntoʊɪs/

Synonyms of allantois Antonyms of allantois Examples of allantois Usage of allantois Parts of allantois Definition that contains allantois Words sounding like allantois Explanation of allantois

noun
the vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals)
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type of:
fetal membrane

Definition that contains allantois

chorioallantois the very vascular fetal membrane composed of the fused chorion and adjacent wall of the allantois
chorioallantoic membrane the very vascular fetal membrane composed of the fused chorion and adjacent wall of the allantois
allantoic relating to or characterized by an allantois