Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: allantois  u'lan-tow-is
  1. The vascular foetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals)

Derived forms: allantoises

Type of: fetal membrane

Encyclopedia: Allantois

Nearest

all too
alla breve
Alla Nazimova
Allah
allamanda
Allamanda cathartica
all-American
allanite
allantoic
allantoid
allantois
allargando
all-around
allay
allayer
all-candidates meeting
all-comers
all-day sucker
all-devouring
all-dressed
allee