Spinal nerves - b communicating rami thoracic and first two...

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Spinal nerves 1. 31 pairs of spinal nerves 2. 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, single pair of coccygeal 3. Nerve roots a. dorsal root- sensory, unite posterior horn b. ventral root- motor- anterior horn 4. Rami a. rami smaller branches of nerves as leaves intervertebral foramina
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Unformatted text preview: b. communicating rami- thoracic and first two lumbar segments 5. Plexuses a. combination of rami leaving ventral horn b. cervical- neck region C1-C4 c. Brachial plexus- C4- T1...
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