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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
T-4 / T-5 intervertebral disc, T-4 intercostal nerve, T-4 spinal ganglion, anterior tertiary bronchus, aorta, atrioventricular endocardial cushion(s), central canal, horizontal fissure, left atrioventricular canal, left atrium, left horn of sinus venosus, left postcardinal vein, left ventricle, middle lobe of right lung, pericardial cavity, peritoneal cavity, phrenic nerve, posterior tertiary bronchus, primary bronchus, rib 4, rib 5, right atrium, sinus venosus, upper lobe of left lung, upper lobe of right lung, upper secondary bronchus
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Carnegie Embryo #4430   |   Location: 18-28

Keywords: T-4 / T-5 intervertebral disc, T-4 intercostal nerve, T-4 spinal ganglion, anterior tertiary bronchus, aorta, atrioventricular endocardial cushion(s), central canal, horizontal fissure, left atrioventricular canal, left atrium, left horn of sinus venosus, left postcardinal vein, left ventricle, middle lobe of right lung, pericardial cavity, peritoneal cavity, phrenic nerve, posterior tertiary bronchus, primary bronchus, rib 4, rib 5, right atrium, sinus venosus, upper lobe of left lung, upper lobe of right lung, upper secondary bronchus

Source: The Virtual Human Embryo.