Spinal nerve tracts {spinal cord}| organize basic movements, like running or walking, and control sense input. Spinal cord has inner gray matter cell bodies and outer white matter myelin, in lemnisci.
laminas
Lamina V is for pain and visceral afferents. Lamina VI is for joints and skin positions. Lamina VIII is medial motor neuron column for motor neurons to trunk and limbs. Lamina IX is lateral motor neuron column for motor neurons to arms and legs, with flexor central and extensor peripheral. Lamina X is central canal.
locations
Pain, heat, and cold axon tracts are on spinal-cord lateral sides. Touch and pressure axon tracts are on ventral side. Muscle-sensor axon tracts are on dorsal side.
Biological Sciences>Zoology>Organ>Nerve>Spinal Cord
4-Zoology-Organ-Nerve-Spinal Cord
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Date Modified: 2022.0224