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Carnegie Stage Section
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L-3 spinal ganglion, L-4 spinal ganglion, L-4 spinal nerve, L-5 / S-1 intervertebral disc, L-5 ventral primary ramus, S-1 / S-2 intervertebral region, S-1 ventral primary ramus, alar plate(s), basal plate, blastema of metatarsal, blastemata of posterior thigh muscles, central vein of thigh, floor plate, foot, labial swelling, marginal vein, notochord, rectum, roof plate, sciatic nerve, sulcus limitans, tibial nerve, urethral fold, urethral groove
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Carnegie Embryo #4430   |   Location: 27-15

Keywords: L-3 spinal ganglion, L-4 spinal ganglion, L-4 spinal nerve, L-5 / S-1 intervertebral disc, L-5 ventral primary ramus, S-1 / S-2 intervertebral region, S-1 ventral primary ramus, alar plate(s), basal plate, blastema of metatarsal, blastemata of posterior thigh muscles, central vein of thigh, floor plate, foot, labial swelling, marginal vein, notochord, rectum, roof plate, sciatic nerve, sulcus limitans, tibial nerve, urethral fold, urethral groove

Source: The Virtual Human Embryo.