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Definition
A motor division of the nervous system that supplies nerves to glands, smooth muscle and cardiac muscle; functions largely without voluntary control |
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Definition
A division of the nervous system that include afferent fibers mainly from the skin, muscles, and skeleton and efferent fibers to the skeletal muscles |
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Definition
Carry signals toward the CNS |
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Definition
conducts signals away from the CNS |
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Term
parasympathetic nervous system |
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Definition
specifically is responsible for stimulation of "rest-and-digest" activities that occur when the body is at rest, including sexual arousal, salivation, lacrimation (tears), urination, digestion and defecation. Contains chiefly cholinergic fibers. |
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Definition
Pertaining to the skin, bones and skeletal muscles as opposed to the viscera. |
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sympathetic nervous system |
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Definition
the part of the autonomic nervous system that is concerned especially with preparing the body to react to situations of stress or emergency. Contains chiefly adrenergic fibers.
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the parasympathetic fibers that involve acetylcholine. |
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Definition
The sympathetic postganglionic fibers that secrete norepinephrine. |
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Definition
receptors for norepinephrine |
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Term
alpha adrenergic receptors |
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Definition
Usually have excitatory effects |
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Term
beta adrenergic receptors |
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Definition
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