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Carnegie Stage Section
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Abbreviation Key

a
artery
aa
arteries
ant
anterior
a-v
atrio-ventricular
C
Cervical
Co
Coccygeal
CN
Cranial Nerve
D
diencephalic neuromere or diencephalon
dm
dermatomyotome
inf
inferior
int
internal
L
Lumbar
lat
lateral
lt
left
M
mesencephalic neuromere or mesencephalon
med
medial
n
nerve
O
Occipital
P
prosencephalon
post
posterior
prim
primordial
R
rhombencephalon
Rh
rhombomere
rt
right
S
Sacral
T
Thoracic
v
vein
vv
veins
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T-12 spinal ganglion, aorta, body of pancreas, celiac ganglion, duodenum (fourth part), duodenum (third part), greater omentum, hindgut, inferior mesenteric artery, left umbilical artery, mesonephros, ovary, proximal limb of herniated midgut, right umbilical artery, spleen, subarachnoid space, suprarenal gland medulla, sympathetic trunk, toe of left foot, urinary bladder
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Carnegie Embryo #4090   |   Location: 21-19

Keywords: T-12 spinal ganglion, aorta, body of pancreas, celiac ganglion, duodenum (fourth part), duodenum (third part), greater omentum, hindgut, inferior mesenteric artery, left umbilical artery, mesonephros, ovary, proximal limb of herniated midgut, right umbilical artery, spleen, subarachnoid space, suprarenal gland medulla, sympathetic trunk, toe of left foot, urinary bladder

Source: The Virtual Human Embryo.