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Carnegie Stage Section
T-8 / T-9 intervertebral disc, T-8 spinal ganglion, allantois, artifact fracture(s), ductus venosus, left umbilical artery, lower lobe of left lung, lower lobe of right lung, notochord, pleural cavity, proximal limb of herniated midgut, pulmonary ligament, rib 9, right umbilical artery, umbilical vein, umbilical vesicle stalk
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Carnegie Embryo #4090   |   Location: 19-9

Keywords: T-8 / T-9 intervertebral disc, T-8 spinal ganglion, allantois, artifact fracture(s), ductus venosus, left umbilical artery, lower lobe of left lung, lower lobe of right lung, notochord, pleural cavity, proximal limb of herniated midgut, pulmonary ligament, rib 9, right umbilical artery, umbilical vein, umbilical vesicle stalk

Source: The Virtual Human Embryo.