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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 dorsal primary ramus, T-4 spinal ganglion, T-4 ventral primary ramus (intercostal nerve), aortic semilunar valve, brachial artery, humero-ulnar joint, intermediate phalynx of digit 4 (ring finger), left atrium, left primary bronchus, musculi pectinati, pleural cavity, posterior intercostal artery, rib 3 (costal cartilage), rib 4, right anterior segmental bronchus of upper lobe, right atrium, right posterior segmental bronchus of upper lobe, right primary bronchus, right upper lobe bronchus, right ventricle, sternocostal joint, superior vena cava, transverse pericardial sinus, upper lobe of left lung, upper lobe of right lung
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Carnegie Embryo #9226   |   Location: 112-01-01

Keywords: T-4 dorsal primary ramus, T-4 spinal ganglion, T-4 ventral primary ramus (intercostal nerve), aortic semilunar valve, brachial artery, humero-ulnar joint, intermediate phalynx of digit 4 (ring finger), left atrium, left primary bronchus, musculi pectinati, pleural cavity, posterior intercostal artery, rib 3 (costal cartilage), rib 4, right anterior segmental bronchus of upper lobe, right atrium, right posterior segmental bronchus of upper lobe, right primary bronchus, right upper lobe bronchus, right ventricle, sternocostal joint, superior vena cava, transverse pericardial sinus, upper lobe of left lung, upper lobe of right lung

Source: The Virtual Human Embryo.