bn:00002810n
Noun Concept
Categories: Animal reproductive system, Articles with short description, Embryology
EN
allantois  Allantoi  Allantoic  Allantoic fluid
EN
The vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals) WordNet 3.0
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EN
The vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals) WordNet 3.0 & Open English WordNet
The allantois is a hollow sac-like structure filled with clear fluid that forms part of a developing amniote's conceptus. Wikipedia
Embryonic structure Wikidata
A sac, having a number of functions, that develops in the alimentary canal of the embryos of mammals, birds and reptiles. Wiktionary
Sac in the alimentary canal of the embryos of mammals, birds and reptiles. Wiktionary (translation)
WordNet 3.0 & Open English WordNet
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