allantoic vesicle
n.
The hollow part of the allantois.
Words nearby allantoic vesicle
allanto-,
allantochorion,
allantoic,
allantoic sac,
allantoic stalk,
allantoic vesicle,
allantoid,
allantoid membrane,
allantoidoangiopagous twins,
allantoin,
allantoinuria