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Stage 1 / 1 day Stage 2 / 2-3 days Stage 3-1 / 4 days Stage 3-2 / 4-5 days Stage 4 / 6 days Stage 5a-1 / 7 days Stage 5a-2 / 8 days Stage 5b / 9 days Stage 5c / 12 days Stage 6 / 13-17 days Stage 7 / 16-19 days Stage 8 / 23 days Stage 9 / 25 days Stage 10 / 28 days Stage 11 / 29 days Stage 12 / 30 days Stage 13 / 32 days Stage 14 / 33 days Stage 15 / 36 days Stage 16 / 39 days Stage 17 / 41 days Stage 18 / 44 days Stage 19 / 45-47 days Stage 20 / 49 days Stage 21 / 49-52 days Stage 22 / 52-55 days Stage 23 / 56 days

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
C-5 spinal ganglion, atrioventricular groove, dorsal aorta, esophagus, infundibulum of right ventricle, interventricular foramen, lateral nasal prominence, left atrium, loose cephalic part of sclerotome, medial nasal prominence(s), nasal disc (olfactory placode), notochord, phrenic nerve, precardinal vein, primary interatrial septum (septum primum), region of olfactory filia (CN I), right atrium, sinus venosus, telencephalon medium, trabecular part of right ventricle, trachea, transverse sinus
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Carnegie Embryo #6517   |   Location: 20-03-01

Keywords: C-5 spinal ganglion, atrioventricular groove, dorsal aorta, esophagus, infundibulum of right ventricle, interventricular foramen, lateral nasal prominence, left atrium, loose cephalic part of sclerotome, medial nasal prominence(s), nasal disc (olfactory placode), notochord, phrenic nerve, precardinal vein, primary interatrial septum (septum primum), region of olfactory filia (CN I), right atrium, sinus venosus, telencephalon medium, trabecular part of right ventricle, trachea, transverse sinus

Source: The Virtual Human Embryo.