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Unformatted text preview: and maintains equilibrium Spinal Cord: Higher brain to periphery A cylindrical structure, a continuation of medulla oblongata, inferior part of the brain stem (42-45 cm in length; 2.5 cm circumference) Contains major ascending (5) and descending (2) tracts Conducts sensory and motor impulses between the periphery and the brain Integrates reflexes Divided into 5 divisions; 31 pairs of spinal nerves; cervical, thoracic, lumbar, sacral, coccygeal...
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- Spring '11