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10 Cards in this Set
- Front
- Back
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Autonomic Nervous System is composed of?
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visceral efferents
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Autonomic nervous system involunary or vouluntary to what?
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involuntary to:
smooth muscles cardiac muscles glands |
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How many nuerons are needed in the ANS from spial cord to effector organ?
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2
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2 divisions of ANS
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parasympathetic and sympathetic
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Position of 1st cell body origin in sympathetic?
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lateral horns T1-L2
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Position of 2nd cell body in sympathetic?
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sympathetic trunk for periphery or organs above diaphragm
collateral ganglia near aorta for below diaphragm |
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Sympathetic's effect
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speeds up everything but digestion it inhibits
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Position of cell body origin in parasympathetic
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nuclei of CN III, VII, IX, X and S2-4
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Position of 2nd cell body origin in parasympathetic?
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ganglia on or near organ innervated
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Effect of parasympathetic
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slows down everything but digestion it speeds up
no effect on peripheral vessels or sweat glands because parasympathetic does not go to periphery |
