System, parasympathetic nervous

Look at other dictionaries:

• System, autonomic nervous — Part of the nervous system that was once thought to be functionally independent of the brain. The autonomic nervous system regulates key functions of the body including the activity of the heart muscle (see below), the smooth muscles (e.g., the… …   Medical dictionary

• System, sympathetic nervous — A part of nervous system that accelerates the heart rate, constricts blood vessels, and raises blood pressure. The sympathetic nervous system together with the parasympathetic nervous system (that slows the heart rate, increases intestinal and… …   Medical dictionary

• 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,… …   Medical 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 rebound — is a possible reaction of the parasympathetic nervous system during intense fear. It can cause death. Some soldiers literally die of fear in combat. Older people and people with cardiovascular conditions may experience heart attack or collapse… …   Wikipedia

• 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 ganglion — Infobox Anatomy Name = PAGENAME Latin = ganglion parasympathicum GraySubject = GrayPage = Caption = Autonomic nervous system innervation, showing the sympathetic and parasympathetic (craniosacral) systems, in red and blue, respectively Caption2 …   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

• 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

• parasympathetic — I. adjective Etymology: International Scientific Vocabulary Date: 1905 of, relating to, being, or acting on the parasympathetic nervous system II. noun Date: 1925 1. a parasympathetic nerve 2. parasympathetic nervous system …   New Collegiate Dictionary