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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
abducens nerve (CN VI), adenohypophysis, alar plate(s), basal plate, basi-occipital (basal plate), basilar artery, edge of choroid plexus, floor plate, hypoglossal nerve (CN XII), interventricular foramen, lateral semicircular duct, lateral ventricle, lateral ventricular eminence (telencephalon), medial ventricular eminence (diencephalon), neural arch of C-1 vertebra (atlas), occipital condyle, optic groove, orbitosphenoid, posterior communicating artery, roof plate, sulcus limitans, third ventricle, vagus nerve (CN X)
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Carnegie Embryo #4090   |   Location: 9-3

Keywords: abducens nerve (CN VI), adenohypophysis, alar plate(s), basal plate, basi-occipital (basal plate), basilar artery, edge of choroid plexus, floor plate, hypoglossal nerve (CN XII), interventricular foramen, lateral semicircular duct, lateral ventricle, lateral ventricular eminence (telencephalon), medial ventricular eminence (diencephalon), neural arch of C-1 vertebra (atlas), occipital condyle, optic groove, orbitosphenoid, posterior communicating artery, roof plate, sulcus limitans, third ventricle, vagus nerve (CN X)

Source: The Virtual Human Embryo.