SynonymX
Speak
Allantois
Definition of Allantois
1.
The vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals)
Noun
Semanticaly linked words with "allantois"
mammal
mammalian
fetal membrane
Hyponims for word "allantois"
fetal membrane