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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-1 spinal nerve, C-2 spinal ganglion, anterior dural venous plexus, atlanto-occipital joint, basilar artery, cerebral aqueduct (mesocoele), decussation, edge of median sulcus of rhombencoel (fourth ventricle), hypoglossal nerve (CN XII), hypothalamus, intermediate zone, junction of cerebral aqueduct and third ventricle, marginal zone, neural arch of C-1 vertebra (atlas), occipital condyle, root of facial nerve (CN VII), root of trigeminal nerve (CN V), saccule(s), subarachnoid space, vagus nerve (CN X), ventricular zone
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Carnegie Embryo #9325   |   Location: 8-4-3

Keywords: C-1 spinal nerve, C-2 spinal ganglion, anterior dural venous plexus, atlanto-occipital joint, basilar artery, cerebral aqueduct (mesocoele), decussation, edge of median sulcus of rhombencoel (fourth ventricle), hypoglossal nerve (CN XII), hypothalamus, intermediate zone, junction of cerebral aqueduct and third ventricle, marginal zone, neural arch of C-1 vertebra (atlas), occipital condyle, root of facial nerve (CN VII), root of trigeminal nerve (CN V), saccule(s), subarachnoid space, vagus nerve (CN X), ventricular zone

Source: The Virtual Human Embryo.