parasympathetic division definition
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Parasympathetic nervous system Unsourced material may be challenged and removed. (November 2011). The parasympathetic nervous system (usually abbreviated PSNS, not PNS, to avoid confusion with the peripheral nervous system [PNS]) is one of the two divisions of the autonomic nervous system, the other being the sympathetic nervous system.nsourced material may be challenged and removed. (November 2011). The parasympathetic nervous system (usually abbreviated PSNS, not PNS, to avoid confusion with the peripheral nervous system [PNS]) is one of the two divisions of the autonomic nervous system, the other being the sympathetic nervous system.
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Parasympathetic nervous system Nerve fibres of the parasympathetic nervous system arise from the central nervous system. Specific nerves include several cranial nerves, specifically the oculomotor nerve, facial nerve, glossopharyngeal nerve, and vagus nerve.Three spinal nerves in the sacrum (S2-4) also act as parasympathetic nerves.ecause of its location, the parasympathetic system is commonly referred to as having craniosacral outflow, which stands in contrast to the sympathetic nervous system, which is said to have thoracolumbar outflow.
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Parasympathetic nervous system Cranial nerves. The oculomotor nerve is responsible for several parasympathetic functions related to the eye. The oculomotor PNS fibers originate in the Edinger-Westphal nucleus in the central nervous system and travel through the superior orbital fissure to synapse in the ciliary ganglion located just behind the orbit (eye).
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Difference between Sympathetic and Parasympathetic The parasympathetic nervous system is one of the three parts of the ANS. It is responsible for stimulation of rest-and-digest or feed and breed activities that occur when the body is at rest. These activities include sexual arousal, salivation, tearing up, urination, digestion, and defecation.
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The Sympathetic and Parasympathetic Nervous Systems Additionally, the autonomic nervous system can be further subdivided into two divisions: the sympathetic nervous system and the parasympathetic nervous system. Both of these systems control the same group of body functions, but they have opposite effects on the functions that they regulate. The sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. The parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.
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Parasympathetic nervous system Nerve fibres of the parasympathetic nervous system arise from the central nervous system. Specific nerves include several cranial nerves, specifically the oculomotor nerve, facial nerve, glossopharyngeal nerve, and vagus nerve.
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parasympathetic nervous system Noun. 1. 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.parasympathetic.oun. 1. 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. parasympathetic.
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Parasympathetic nervous system The parasympathetic nervous system (usually abbreviated PSNS, not PNS, to avoid confusion with the peripheral nervous system [PNS]) is one of the two divisions of the autonomic nervous system, the other being the sympathetic nervous system.erve fibres of the parasympathetic nervous system arise from the central nervous system. Specific nerves include several cranial nerves, specifically the oculomotor nerve, facial nerve, glossopharyngeal nerve, and vagus nerve.
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Human Physiology/The Nervous System Parasympathetic nervous system. The parasympathetic nervous system is one of three divisions of the autonomic nervous system. Sometimes called the rest and digest system, the parasympathetic system conserves energy as it slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles in the gastrointestinal tract.
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Comments: Parasympathetic nervous system vs Sympathetic nervous system Parasympathetic nervous system versus Sympathetic nervous system comparison chart; Parasympathetic nervous system Sympathetic nervous system; Introduction: The parasympathetic nervous system is one of the two main divisions of the autonomic nervous system (ANS). Its general function is to control homeostasis and the body's rest-and-digest response.
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Fight-or-flight response The parasympathetic nervous system originates in the spinal cord and medulla and works in concert with the sympathetic nervous system. Its main function is to activate the rest and digest response and return the body to homeostasis after the fight or flight response.
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- n. The part of the vertebrate nervous system that regulates involuntary action, as of the intestines, heart, and glands, and that is divided into the sympathetic nervous system and the parasympathetic nervous system.
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Human Physiology/The Nervous System Parasympathetic nervous system The parasympathetic nervous system is one of three divisions of the autonomic nervous system. Sometimes called the rest and digest system, the parasympathetic system conserves energy as it slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles in the gastrointestinal tract.
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- Human autonomic nervous system is divided into sympathetic and parasympathetic nervous systems.Sympathetic activity predominates at stress conditions and Parasympathetic activity at rest.
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- Noun. 1. 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.parasympathetic.. 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. parasympathetic.
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The Sympathetic and Parasympathetic Nervous Systems In summary, there are two main divisions of the autonomic nervous system. The sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. The parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions. The effects of the parasympathetic nervous system can be summarized by the phrase 'rest and digest'. Let's look at an example of how these two systems function in response to changes in the environment.
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Sympathetic nervous system (January 2009). The sympathetic nervous system is one of the two main divisions of the autonomic nervous system, the other being the parasympathetic nervous system. The autonomic nervous system functions to regulate the body's unconscious actions.The sympathetic nervous system's primary process is to stimulate the body's fight-or-flight response. It is, however, constantly active at a basic level to maintain homeostasis.he sympathetic nervous system is one of the two main divisions of the autonomic nervous system, the other being the parasympathetic nervous system.
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- The parasympathetic nervous system is part of the autonomic nervous system. It originates in the spinal cord and the medulla and controls homeostasis, or the maintenance of the body's systems.The parasympathetic nervous system controls the rest and digest functions of the body.he parasympathetic nervous system is one of the two main divisions of the autonomic nervous system (ANS). Its general function is to control homeostasis and the body's rest-and-digest response.
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Human Physiology/Print Version The autonomic nervous system also has two divisions: the sympathetic division and the parasympathetic division. These two divisions have antagonistic (opposing) effects on the… internal organs they innervate (send nerves to act on). The sympathetic division, shown at the left, is the emergency system.
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parasympathetic nervous system 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, slow the heart, constrict the pupils, and dilate blood vessels.oun. 1. 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. parasympathetic.
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Parasympathetic Nervous System The parasympathetic nervous system is part of the autonomic nervous system —the division of the nervous system that controls largely automatic processes such as digestion, respiration, and heart rate.
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Physiological Psych 2200 This system is further divided into two branches: the sympathetic system and the parasympathetic system. 1  The sympathetic division of the autonomic nervous system regulates the flight-or-fight responses. This division also performs such tasks as relaxing the bladder, speeding up heart rate and dilating eye pupils.
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parasympathetic nervous system Noun. 1. 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.
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Autonomic Nervous System In the parasympathetic division the fibers originate in neurons of the BRAIN STEM and sacral spinal cord. In both divisions the principal transmitter is ACETYLCHOLINE but peptide cotransmitters may also be released. Definition (CSP). nerve fibers which project from the central nervous system to autonomic ganglia.efinition (MSH). Nerves and plexuses of the autonomic nervous system. The central nervous system structures which regulate the autonomic nervous system are not included.
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Definitions &Translations parasympathetic nervous system, parasympathetic (adj). 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. parasympathetic (adj). of or relating to the parasympathetic nervous system.