browse words by letter
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
more about allantois
allantois |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Allantois \Al*lan"to*is\, Allantoid \Al*lan"toid\, ] n.. (Anat.) A membranous appendage of the embryos of mammals, birds, and reptiles, -- in mammals serving to connect the fetus with the parent; the urinary vesicle. From WordNet r 1.6 [wn]: allantois n : vascular fetal membrane that develops from the hindgut in embryonic higher vertebrates (mammals; birds; reptiles)
more about allantois
This work is licensed under a
