Nervous system, parasympathetic

A part of the nervous system that slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles. The parasympathetic nervous system together with the sympathetic nervous system (that accelerates the heart rate, constricts blood vessels, and raises blood pressure) constitute the autonomic nervous system.

Medical dictionary. 2011.

Look at other dictionaries:

  • Parasympathetic nervous system — A part of nervous system that serves to slow the heart rate, increase the intestinal and gland activity, and relax the sphincter muscles. The parasympathetic nervous system, together with the sympathetic nervous system (that accelerates the heart …   Medical dictionary

  • nervous system — noun the sensory and control apparatus consisting of a network of nerve cells (Freq. 2) • Syn: ↑systema nervosum • Hypernyms: ↑system • Hyponyms: ↑sympathetic nervous system, ↑parasympathetic nervous system …   Useful english dictionary

  • nervous system — /ˈnɜvəs sɪstəm/ (say nervuhs sistuhm) noun the system of nerves and nerve centres in an animal, comprising two major parts, the central nervous system and the peripheral nervous system. See central nervous system, peripheral nervous system,… …   Australian English dictionary

  • nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …   Universalium

  • Parasympathetic nervous system — The parasympathetic nervous system (PSNS) is a division of the autonomic nervous system (ANS), along with the sympathetic nervous system (SNS) and enteric nervous system (ENS or bowels NS ). The ANS is a subdivision of the peripheral nervous… …   Wikipedia

  • parasympathetic nervous system — noun 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 • Syn:… …   Useful english dictionary

  • Nervous system — Nerve redirects here. For other uses, see Nerve (disambiguation). This article is about the nervous system. For parts of the nervous system commonly called nerves, see Peripheral nerve. Nervous system The Human N …   Wikipedia

  • nervous system disease — Introduction       any of the diseases or disorders that affect the functioning of the human nervous system (nervous system, human). Everything that humans sense, consider, and effect and all the unlearned reflexes of the body depend on the… …   Universalium

  • System, parasympathetic nervous — A part of nervous system that slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles. The parasympathetic nervous system together with the sympathetic nervous system (that accelerates the heart rate,… …   Medical dictionary

  • parasympathetic nervous system — One of the two divisions of the vertebrate autonomic nervous sytem. Parasympathetic nerves emerge cranially as pre ganglionic fibres from oculomotor, facial, glossopharyngeal and vagus, and from the sacral region of the spinal cord. Most neurons… …   Dictionary of molecular biology

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