SSCT Chapter Anatomy & Physiology Chapter 8 Nervous System
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each of the black spaces below before clicking
on it to display the answer.
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CNS | Central Nervous System
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Central Nervous System | brain & spinal cord
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PNS | Peripheral Nervous System
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Peripheral Nervous System | all nerves
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ANS | Autonomic Nervous System
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Dendrites | conduct impulses to cell body of neuron
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Axon | conducts impulses away from cell body of neuron
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Sensory Neurons | conduct impulses to the spinal cord and brain
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Motor Neurons | conduct impulses away from brin and spinal cord to muscles and glands
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interneurons | conduct impulses from sensory neurons to motor neurons
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Astocytes | star-shaped cells that anchor small blood vessels to neurons - blood-brain-barrier (BBB) associated with certain neurotransmitters
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Microglia | small cells that move in inflamed brain tissue carrying on phagocytes - repair damage
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oligodendrocytes | form myelin sheaths on axons in the CNS
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Schwann cells | form myelin sheaths of axons in the PNS
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White matter | tissue composed primarily of myelinated axons (nerves or tracts)
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Gray Matter | tissue composed primarily of cell bodies and unmyelinated fibers
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Endoneurium | surrounds individual fibers within a nerve
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Perineurium | surrounds a group (fascicle) of nerve fibers
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Epineurium | surrounds the entire nerve
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