Term
What is contained in the CNS? |
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Definition
1. brain 2. spinal cord 3. 12 cranial nerves and dorsal and ventral roots 4. systems dedicated to somatic and autonomic function |
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Term
What are the six major regions of the CNS? |
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Definition
1. spinal cord 2. medulla oblongata 3. pons and cerebellum 4. midbrain (mesencephalon) 5. thalamus and hypothalamus (diencephalon) 6. cerebral cortex and basal ganglia (telencephalon) |
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Term
What is found in gray matter? |
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Definition
neurons, dendrites, unmyelinated axons, many glia |
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Term
what is found in white matter? |
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Definition
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Term
define: 1. nuclei 2. laminae 3. reticular formations |
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Definition
1. clusters of neurons in the CNS 2. layers of neurons in the CNS 3. loosely interspersed neurons in white matter in the CNS |
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Term
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Definition
anatomically and functionally linked groups of neurons that involve most or all regions of the CNS |
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Term
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Definition
regionalization of the CNS, particularly the brain - spinal cord does not have this |
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Term
the optic nerve and retina are outgrowths of what? |
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Definition
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Term
the long axis of the nervous system is at a right angle to the _____ |
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Definition
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