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10 Cards in this Set
- Front
- Back
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Nucleus
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Collection of nerve cell bodies within the CNS
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Ganglion
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Collections of nerve cell bodies inside PNS
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Dorsal Root Ganglion
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Sensory
No Synapse PNS |
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Autonomic Ganglion
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Visceral motor
Have a synapse PNS |
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Dorsal Primary Ramus
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Goes to intrinsic muscles of back and skin of back.
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Ventral Ramus
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All areas of the body except intrinsic muscles and skin of back
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Rami Communicantes
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Communicating branches connecting sympathetic chain ganglia and spinal nerve.
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Parts of a Typical Spinal Nerve
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-Ventral Horn
-Dorsal Horn -Gray Matter -Ventral (anterior) root -Dorsal root -Vertebral body -DRG (Sensory ganglion) -Dorsal Primary Ramus -Ventral Primary Ramus -Sympathetic chain w/ connections via rami communicantes -spinal nerves -sensory nerve fibers -somatic motor fibers |
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Somatic Motor Fibers
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-Arise from anterior horn cells.
-Axons pass into spinal nerve via ventral root -From spinal nerve, passes into dorsal and ventral rami |
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Pseudounipolar Process
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Extended process from nerve cell body which divides into a central process extending to the CNS and a peripheral process extending to the periphery
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