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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 spinal ganglion, anterior tertiary bronchus, apical posterior tertiary bronchus, cephalic edge of lower lobe of left lung, cephalic edge of mammary gland, extensor compartment of arm, heart prominence, horizontal fissure, iliocostalis muscle, left lobe of liver, longissimus muscle, middle lobe of right lung, neural arch, osteogenic layer, pectoralis major muscle, pericardial cavity, pleural cavity, pleuropericardial membrane, right atrioventricular (tricuspid) valve, right atrium, right primary bronchus, right venous valve, secondary interatrial foramen (foramen secundum), semispinalis muscle, subarachnoid space, superior hemi-azygos vein, upper lobe of left lung, upper lobe of right lung
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Carnegie Embryo #9325   |   Location: 17-2-3

Keywords: T-4 spinal ganglion, anterior tertiary bronchus, apical posterior tertiary bronchus, cephalic edge of lower lobe of left lung, cephalic edge of mammary gland, extensor compartment of arm, heart prominence, horizontal fissure, iliocostalis muscle, left lobe of liver, longissimus muscle, middle lobe of right lung, neural arch, osteogenic layer, pectoralis major muscle, pericardial cavity, pleural cavity, pleuropericardial membrane, right atrioventricular (tricuspid) valve, right atrium, right primary bronchus, right venous valve, secondary interatrial foramen (foramen secundum), semispinalis muscle, subarachnoid space, superior hemi-azygos vein, upper lobe of left lung, upper lobe of right lung

Source: The Virtual Human Embryo.