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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-1 / T-2 intervertebral disc, T-2 spinal ganglion, aortic semilunar valve, artifact(s), centrum of T-1 vertebra, centrum of T-2 vertebra, cephalic edge of left ventricle, cerebral vesicle (telencephalon), deltoid muscle, falx cerebri region, frontal prominence, head of radius, humerus, intermaxillary segment, lateral ventricle, left atrium, marginal vein, naris, nasal cavity (nasal sac), nasal fin, neural arch, pericardial cavity, rib 2, right atrium, scapula, serratus anterior muscle, trabecular part of right ventricle
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Carnegie Embryo #9325   |   Location: 15-3-3

Keywords: T-1 / T-2 intervertebral disc, T-2 spinal ganglion, aortic semilunar valve, artifact(s), centrum of T-1 vertebra, centrum of T-2 vertebra, cephalic edge of left ventricle, cerebral vesicle (telencephalon), deltoid muscle, falx cerebri region, frontal prominence, head of radius, humerus, intermaxillary segment, lateral ventricle, left atrium, marginal vein, naris, nasal cavity (nasal sac), nasal fin, neural arch, pericardial cavity, rib 2, right atrium, scapula, serratus anterior muscle, trabecular part of right ventricle

Source: The Virtual Human Embryo.