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Carnegie Stage Section
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L-4 spinal ganglion, L-4 spinal nerve, L-5 / S-1 intervertebral disc, L-5 ventral primary ramus, alar plate(s), anal fold, anal pit, artifact fracture(s), basal plate, dorsum of foot, floor plate, iliacus muscle, notochord, pelvic plexus, plantar surface of foot, rectum, roof plate, sciatic nerve, sulcus limitans
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Carnegie Embryo #4090   |   Location: 23-15

Keywords: L-4 spinal ganglion, L-4 spinal nerve, L-5 / S-1 intervertebral disc, L-5 ventral primary ramus, alar plate(s), anal fold, anal pit, artifact fracture(s), basal plate, dorsum of foot, floor plate, iliacus muscle, notochord, pelvic plexus, plantar surface of foot, rectum, roof plate, sciatic nerve, sulcus limitans

Source: The Virtual Human Embryo.