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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
accessory nerve (CN XI), cerebral aqueduct (mesocoele), decussation, endolymphatic sac, floor plate of mesencephalon, isthmus of rhombencephalon, myelencephalon, osteogenic layer, rhombencoel (fourth ventricle), roof of rhombencoel (fourth ventricle), roof plate of mesencephalon, root of vagus nerve (CN X), sulcus limitans, trochlear nerve (CN IV)
0 μm
Carnegie Embryo #9325   |   Location: 5-3-6

Keywords: accessory nerve (CN XI), cerebral aqueduct (mesocoele), decussation, endolymphatic sac, floor plate of mesencephalon, isthmus of rhombencephalon, myelencephalon, osteogenic layer, rhombencoel (fourth ventricle), roof of rhombencoel (fourth ventricle), roof plate of mesencephalon, root of vagus nerve (CN X), sulcus limitans, trochlear nerve (CN IV)

Source: The Virtual Human Embryo.