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allantois
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allantois
noun
(al-lan-to-is)
a vascular fetal membrane of reptiles, birds, and mammals that is formed as a pouch from the hindgut and that in placental mammals is intimately associated with the chorion in formation of the placenta
Words Related to
allantois
!
fuses
,
chorioallantois
,
allantoid
,
somatopleure
,
splanchnopleure
,
quintine
,
germ layer
,
ovisac
,
mesorchium
,
secundine
,
celoma
,
oogonium
,
amnion
,
extraembryonic
,
parovarium
,
primine
,
vitelligenous
,
gastrocele
,
vitelline
,
embryo
,
monembryony
,
ectoblast
,
parepididymis
,
gonocyte
,
epoophoron
,
sac
,
entoblast
,
implacental
,
somatopleuric
,
paroophoron
,
sacculated
,
egg cell
,
ovotestis
,
tercine
,
epicoele
,
velamentous
,
spermatogonium
,
germarium
,
parachordal
,
embryoplastic
,
subzonal
,
graafian follicle
,
utriculus
,
trichophore
,
placenta
,
serous membrane
,
perisperm
,
pseudocoel
,
uterine tube
,
coelomate
,
cicatricle
,
salpinx
,
meninx
,
quartine
,
deutoplasm
,
blastocyte
,
placentiform
,
blastula
,
embryonic
,
trichobranchia
,
ovarium
,
cysticule
,
ichthin
,
oviparity
,
parorchis
,
centrolecithal
,
animal tissue
,
diploblastic
,
panoistic
,
exalbuminous
,
acoelomate
,
chondrocranium
,
proembryo
,
oviduct
,
yolk sac
,
ooplasm
,
nephridium
,
polyembryony
,
protovertebra
,
adelocodonic
,
exoderm
,
pleurobranch
,
phyllobranchia
,
tritovum
,
malpighian corpuscle
,
oosphere
,
amniote
,
reproductive structure
,
amniotic sac
,
neuroepithelium
,
aplacental
,
branchial arch
,
fetoscopy
,
ovicell
,
axolemma
,
zoosperm
,
gynogenesis
,
protocercal
,
prototherian
,
pseudobranchia
,
allantois
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