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| Cells of the nervous system; transmit messages across the body |
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| Non-Neural tissue of the central nervous system; performs supportive and other functions |
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| Neuron process that carries impulses away from the nerve cell body |
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| Branching extensions of neurons that carry electrical signals to the body |
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| Metabolic center of the neuron |
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| A tight coil of wrapped membranes encloses the axon |
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| They hold vesicles that have chemicals called neurotransmitters |
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| Nerve cells that carry impulses toward the central nervous system |
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| Located in muscle or tendon; condensed with muscle tension |
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| Connect motor and sensory neurons |
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| Chemical released by neurons upon binding to receptors stimulate them |
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| Specialized supporting cells that wrap around the axon jelly roll fusion |
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| Region of communication between neurons |
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Definition
| Neuron that conduct electrical impulses away from central nervous system |
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| The gaps in the myelin formed by Schwann cells |
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| Group of nerve cell bodies located in peripheral nervous system |
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| Collection of nerve fibers in the CNS having same origin function |
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| Loss of state of polarity; loss of a negative charge |
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Definition
| Period of unresponsiveness to thresh hold stimulation |
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Definition
| Out flow of positive ions from cell; restores electrical conditions |
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Definition
| Electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. |
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| Neural pathways that have reflexes on them |
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Definition
| Part of the nervous system consisting of the brain and spinal cord |
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| Peripheral Nervous System |
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Definition
| Part of the nervous system consisting of the nerves and ganglia outside of the brain and spinal cord |
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| Star-shaped glial cells in the brain and spinal cord |
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| resident macro phages of the brain and spinal cord |
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| Thin epithelium-like lining of the ventricular system of the brain and the spinal cord |
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Definition
| provide support to axons and to produce the Myelin sheath |
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