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11 Cards in this Set
- Front
- Back
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LA's produce clinical effects how?
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interfering w/ electrical activity of the nervous system
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LA's interfer w/ electrical activity in what 3 ways
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1.inhibit propagation of nerve impulses
2.act directly on sensory nerve endings 3.inhibit synaptic transmisssion |
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peripheral nerves contain
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afferent and efferent fibers
myelinated or non myelinated |
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functional unit of peripheral nerve
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axon
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components of axon
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cell membrane (axolemma)
intracellular contents (axoplasm) |
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extension of centrally located neuron
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axon
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impulse travels along axon by currents flowing between
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active membrane(depolarized)
and adjacent membrane(resting) |
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encases perineurium
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epineurium
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funtionally holds fascicles together as peripheral nerve
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epineurium
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binds a group of fascicles together
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perineurium
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longitudinally arranged collagen
surronds and embeds axons in fascicles |
endoneurium
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