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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-1 / C-2 intervertebral disc, C-2 spinal ganglion, C-2 spinal nerve, accessory nerve (CN XI), archipallium, basisphenoid condensation, blastema of extra-ocular muscle(s), blastemata of mastication muscles, cerebral vesicle (telencephalon), external acoustic meatus, facial nerve (CN VII), foramen cecum of tongue, inferior ganglion of vagus nerve (CN X), intraretinal space (optic vesicle cavity), junction of neural retina and optic stalk (CN II), neopallium, notochord, occipital lamina, optic cup cavity, optic stalk (CN II), paleopallium, precardinal vein, root of tongue, spinal accessory nerve (CN XI), vertebral artery
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Carnegie Embryo #4430   |   Location: 12-17

Keywords: C-1 / C-2 intervertebral disc, C-2 spinal ganglion, C-2 spinal nerve, accessory nerve (CN XI), archipallium, basisphenoid condensation, blastema of extra-ocular muscle(s), blastemata of mastication muscles, cerebral vesicle (telencephalon), external acoustic meatus, facial nerve (CN VII), foramen cecum of tongue, inferior ganglion of vagus nerve (CN X), intraretinal space (optic vesicle cavity), junction of neural retina and optic stalk (CN II), neopallium, notochord, occipital lamina, optic cup cavity, optic stalk (CN II), paleopallium, precardinal vein, root of tongue, spinal accessory nerve (CN XI), vertebral artery

Source: The Virtual Human Embryo.