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nounoriginates in the brain stem and lower part of the spinal cord; opposes physiological effects of the sympathetic nervous system: stimulates digestive secretions; slows the heart; constricts the pupils; dilates blood vessels
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type of:part of: -
of or relating to the parasympathetic nervous system
Definition that contains parasympathetic
- acetylcholine a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems
- glossopharyngeal nerve sensory nerve to the pharynx and back of the tongue; motor fibers innervate muscles that elevate the pharynx and larynx; includes parasympathetic fibers to the otic ganglion
- parasympathomimetic having an effect similar to that resulting from stimulation of the parasympathetic nervous system
- loewi United States pharmacologist (born in Germany) who was the first to show that acetylcholine is produced at the junction between a parasympathetic nerve and a muscle (1873-1961)
- nervus glossopharyngeus sensory nerve to the pharynx and back of the tongue; motor fibers innervate muscles that elevate the pharynx and larynx; includes parasympathetic fibers to the otic ganglion
- plexus autonomici a plexus of sympathetic and parasympathetic nerve fibers
- parasympathetic of or relating to the parasympathetic nervous system
- ninth cranial nerve sensory nerve to the pharynx and back of the tongue; motor fibers innervate muscles that elevate the pharynx and larynx; includes parasympathetic fibers to the otic ganglion
- sympathetic nervous system originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vessels
- autonomic plexus a plexus of sympathetic and parasympathetic nerve fibers