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Parasympathetic ganglion

parasympathetic ganglion n.
Any of the ganglia of the autonomic nervous system composed of cholinergic neurons receiving afferent fibers originating from preganglionic visceral motor neurons in either the brainstem or the middle sacral segments of the spinal cord.


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  • Parasympathetic nerve

    parasympathetic nerve n. One of the nerves of the parasympathetic nervous system.

  • Parasympathetic nervous system

    parasympathetic nervous system n. The part of the autonomic nervous system originating in the brain stem and the lower part of the spinal cord that, in general, inhibits or opposes the physiological effects of the sympathetic nervous system, as in tending to stimulate digestive secretions or slow the heart. parasympathetic nervous system (pār’ə-sĭm’pə-thět’ĭk) The part […]

  • Parasympatholytic

    parasympatholytic par·a·sym·pa·tho·lyt·ic (pār’ə-sĭm’pə-thō-lĭt’ĭk) adj. Blocking the effects of the parasympathetic nervous system.

  • Parasympathomimetic

    parasympathomimetic par·a·sym·pa·tho·mi·met·ic (pār’ə-sĭm’pə-thō-mĭ-mět’ik, -mī-) adj. Having an action resembling that caused by stimulation of the parasympathetic nervous system.

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