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11 Cards in this Set
- Front
- Back
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Afferent division
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the portion of the PNS that transmits sensory information from the sensory receptors to the CNS
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Autonomic nerves
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nerves innervating smooth muscle, cardiac muscle, glands, or the gastrointestinal system
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Autonomic nervous system
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the portion of the efferent division that regulates the activities of smooth muscles, cardica muscles, glands, or the gastrointestinal system
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Autonomic tone
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the low level of release of neurotransmitter by the different divisions of the autonomic nervous system resulting in a low leverl of regulation of innervated glands or organs
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Dual innervation
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the condition where a given organ or gland is innervated by both divisions of the autonomic nervous system
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Muscarinic receptor
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a subtype of cholinergic receptor that has a ery high affinity for muscarine
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Nicotinic receptor
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a subtype of cholinergic receptor that has a very high affinity for nicotine
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Parasympathetic nervous system
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PNS--> the portion of the autonomic nervous system arising from the brain and sacral regions of the spinal cord that mediated the bodies vegetative functions
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Preganglionic
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referring to a portion of a nerve cell or nerve located prior to the synapse between the preganglionic and postganglionic cell or ganglion
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Postganglionic
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referring to a portion of a nerve cell or nerve located after the synapse between the preganglionic and postganglionic cell or ganglion
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Somatic nervous system
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the portion of the efferent division that regulates contraction of skeletal muscles
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