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Carnegie Stage Section
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S-1 spinal ganglion, S-1 spinal nerve, S-3 ventral primary ramus, alar plate(s), basal plate, caudal edge of right foot, caudal eminence, central canal, centrum of S-2 vertebra, coccygeal plexus, coccyx, dorsal fasciculus, filum terminale, floor plate, gluteus maximus muscle, levator ani muscle, roof plate, sulcus limitans, surface ectoderm
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Carnegie Embryo #4090   |   Location: 24-9

Keywords: S-1 spinal ganglion, S-1 spinal nerve, S-3 ventral primary ramus, alar plate(s), basal plate, caudal edge of right foot, caudal eminence, central canal, centrum of S-2 vertebra, coccygeal plexus, coccyx, dorsal fasciculus, filum terminale, floor plate, gluteus maximus muscle, levator ani muscle, roof plate, sulcus limitans, surface ectoderm

Source: The Virtual Human Embryo.