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Definitions of sympathetic nervous system
Definition that contains sympathetic nervous system
  • sympathetic of or relating to the sympathetic nervous system
  • sympathectomy surgical interruption of a nerve pathway in the sympathetic nervous system
  • acetylcholine a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems
  • sympathetically with respect to the sympathetic nervous system
  • labetalol antihypertensive drug (trade names Trandate and Normodyne) that blocks alpha and beta-adrenergic receptors of the sympathetic nervous system (leading to a decrease in blood pressure)
  • parasympathetic nervous system originates 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
  • beta receptor receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)
  • parasympathetic originates 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
  • labetalol hydrochloride antihypertensive drug (trade names Trandate and Normodyne) that blocks alpha and beta-adrenergic receptors of the sympathetic nervous system (leading to a decrease in blood pressure)
  • parasympathomimetic having an effect similar to that resulting from stimulation of the parasympathetic nervous system
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