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8 Cards in this Set
- Front
- Back
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nerve impulses contact at ? examples
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synapses
examples:other neurons, effector cells:muscles or glands |
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cells in the PNS called what? 2 different layers
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schwann cells
1)myelin sheath:inner tight wrapping 2)neurilemma:outer layer includes nucleus and cytoplasm |
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bare spaces between schwann cells on axon called?
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nodes of ranvier
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in the PNS what part of cells survive damage? allows for regrowth of what?
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neurilemma; axons
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cells of the CNS called? there is no what layer? why does it matter?
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oligodendrocytes; neurilemma; nothing to guide the axon for regeneration
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astrocytes? Microglia? ependymal?
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most numerous, phagocytic, line fluid cavities in CNS (ciliated)
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multipolar, bipolar, unipolar
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many dendrites one axon; one dendrite one axon (rare); single process that divides into axon and dendrite (dorsal root ganglia)
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interneurons are confined to ?
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CNS
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