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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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C-2 spinal ganglion, C-2 spinal nerve, alisphenoid, anterior cerebral artery, auricle, body of sphenoid, dens of C-2 vertebra (axis), edge of eyeball, facial nerve (CN VII), frontalis muscle, internal carotid artery, notochord, optic groove, orbitosphenoid, osteogenic layer, pharyngotympanic tube, pre-optic area, spinal accessory nerve (CN XI), subarachnoid space, vagus nerve (CN X), ventral arch of C-1 vertebra (atlas)
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Carnegie Embryo #4090   |   Location: 9-11

Keywords: C-2 spinal ganglion, C-2 spinal nerve, alisphenoid, anterior cerebral artery, auricle, body of sphenoid, dens of C-2 vertebra (axis), edge of eyeball, facial nerve (CN VII), frontalis muscle, internal carotid artery, notochord, optic groove, orbitosphenoid, osteogenic layer, pharyngotympanic tube, pre-optic area, spinal accessory nerve (CN XI), subarachnoid space, vagus nerve (CN X), ventral arch of C-1 vertebra (atlas)

Source: The Virtual Human Embryo.