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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
close
C-7 / T-1 intervertebral disc, C-8 spinal ganglion, C-8 spinal nerve, aorticopulmonary septum region, blastemata of extensor muscles in forearm, edge of left atrium, edge of pleural cavity, glenohumeral joint, interventricular sulcus, left atrium, left ventricle, lower trunk of brachial plexus (C-8, T-1), middle trunk of brachial plexus (C-7), pericardial cavity, rib 1, right atrium, right precardinal vein, right pulmonary artery, right ventricle, sympathetic trunk, upper trunk of brachial plexus (C-5, C-6)
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Carnegie Embryo #4430   |   Location: 17-9

Keywords: C-7 / T-1 intervertebral disc, C-8 spinal ganglion, C-8 spinal nerve, aorticopulmonary septum region, blastemata of extensor muscles in forearm, edge of left atrium, edge of pleural cavity, glenohumeral joint, interventricular sulcus, left atrium, left ventricle, lower trunk of brachial plexus (C-8, T-1), middle trunk of brachial plexus (C-7), pericardial cavity, rib 1, right atrium, right precardinal vein, right pulmonary artery, right ventricle, sympathetic trunk, upper trunk of brachial plexus (C-5, C-6)

Source: The Virtual Human Embryo.