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Carnegie Stage Section

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 intercostal nerve, T-1 spinal ganglion, T-2 intercostal nerve, aorticopulmonary septum region, artifact fracture(s), axillary artery, central canal, head of rib 1, left atrium, left precardinal vein, left ventricle, musculi pectinati in right atrial wall, neural arch, phrenic nerve, retro-esophageal space, rib 2, rib 3, right precardinal vein, right ventricle, subarachnoid space, transverse sinus, undivided truncus arteriosus (proximal outflow tract)
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Carnegie Embryo #4430   |   Location: 17-17

Keywords: T-1 intercostal nerve, T-1 spinal ganglion, T-2 intercostal nerve, aorticopulmonary septum region, artifact fracture(s), axillary artery, central canal, head of rib 1, left atrium, left precardinal vein, left ventricle, musculi pectinati in right atrial wall, neural arch, phrenic nerve, retro-esophageal space, rib 2, rib 3, right precardinal vein, right ventricle, subarachnoid space, transverse sinus, undivided truncus arteriosus (proximal outflow tract)

Source: The Virtual Human Embryo.