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16 Cards in this Set
- Front
- Back
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Peripheral nervous system
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outlaying parts of nervous system
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afferent nerves
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sensory nerves -- from body to brain
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effernt nerves
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motor nerves from brain to body
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Central nervous system
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brain, spinal cord
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Neurons
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cells that make up nervous system
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cell body
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main part of neuron
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dendrites
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arms coming off body of neuron
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axon
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tail, sends impulses
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myelinated
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covered with white fatty stuff
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schwann cells
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cells that secrete fat stuff
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nodes of ranvier
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place with no myelin
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neurilemma
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outermost layer of schwann cell
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Glia(neuroglia)
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don't send impulses, supporting cells, hold neurons together, protect neurons
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attatch neurons to blood vessels
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astrocytes
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micorglia
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consume microbes by phagocytosis
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oligodendrocytes
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produce myelin sheath around axon in cns
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