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Topic: Visceral nerve

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Abdomen, Abdominal Wall, & Plexes Visceral: No afferent nerve supply (pain from diseased viscera due to muscle spasm, ischemia or subsequent involvement of parietal peritoneum). The former is known as the visceral peritoneum, and the latter as the parietal peritoneum. The peritoneal cavity is the space between the parietal and visceral portions of the peritoneum. www.pitt.edu /~anat/Abdomen/Abdomen/Abd.htm

The Autonomic Nervous System The vagus nerve also contains visceral afferent fibers that carry sensory information from organs of the neck (larynx, pharynx, and trachea), chest (heart and lungs), and gastrointestinal tract into a visceral sensory nucleus located in the medulla and called the solitary tract nucleus. After exiting the medulla in the vagus nerve and traveling to their respective organs, the fibers synapse on ganglion cells embedded in the organs themselves. Preganglionic axons emerging from the brain stem project to parasympathetic ganglia that are located in the head (ciliary, pterygopalatine [also called sphenopalatine], and otic ganglia) or near the heart (cardiac ganglia), embedded in the end organ itself (e.g., the trachea, bronchi, and gastrointestinal tract), or situated a short distance from the urinary bladder (pelvic ganglion). www.becomehealthynow.com /article2/bodynervousadvanced/822/2

TENS Transcutaneous Electrical Nerve Stimulation Stimulating the larger nerve fibres using it may have the effect of inhibiting the transmission of pain along the smaller nerve fibres to the spinal cord [known as the ‘Pain Gate Theory’]. Operating a stimulator at high and low frequencies between 2 to 150 pulses per second has the effect of at high frequencies causing the central nervous system to transmit inhibitory nerve signals along the large diameter nerve fibers, this creates 'gate' cells in the pathway to switch off pain transmission to the brain. Tortora and Anagnistakas (1984) divided pain into two types: somatic pain arising from the stimulation of receptors in the skin, muscle joints and tendons and visceral pain arising from the stimulation of receptors in the skin, muscle joints and tendons and visceral pain arising from the stimulation of receptors in the viscera. www.veritymedical.co.uk /English/Modes/TENS.htm   (1094 words)

Human Anatomy: Unit 3 The _____ divison innervates visceral organs and tissues throughout the body, while the _____ division innervates only visceral structures served by cranial nerves or lying in the abdominopelvic cavity. The nerves of the brachial plexus serve the: The spinal cord ends at the level of L1 A body structure or body region that is NOT innervated by nerves arising from the sacral plexus is the: kcsun3.tripod.com /id165.htm   (1094 words)

Glossopharyngeal Nerve Visceral sensory nerve fibers originate from the carotid body (oxygen tension measurement) and carotid sinus (blood pressure changes). The tympanic nerve is a branch that is occurs prior to exit the skull. Nerve fibers from this nucleus join the other components of the ninth nerve during their exit from the brain stem. www.meddean.luc.edu /lumen/MedEd/GrossAnatomy/h_n/cn/cn1/cn9.htm   (411 words)

International Pelvic Pain Society Continued stimulus of visceral nerve endings (C fibers) results in sensitization of the dorsal root and dorsal horn to noxious stimulus (hyperalgesia) or to a light sensory stimulus (allodynia). The resultant visceral organ hypersensitivity often presents as painful physiologic visceral function, such as severe dysmenorrhea, dyspareunia, painful ovulation and orgasm; painful stretching of visceral tissues, such as bladder and bowel distention, and speculum exam. Acute visceral pathologic diseases produce pain by various mechanisms that result in release of neuro activators and sensitizers such as histamine seratonin, bradykinin and leukokinin, as well as bacterial endotoxins. www.pelvicpain.org /acute_chronic_visc.asp   (1346 words)

visceral From WordNet r 1.6 [wn]: visceral adj 1: relating to or affecting the viscera; "visceral bleeding"; "a splanchnic nerve" [syn: {splanchnic}] 2: derived from or prompted by a natural tendency; "an intuitive perception"; "visceral revulsion"; "a glandular aversion to materialistic values" [syn: {intuitive}, {glandular}] {Visceral clefts} (Anat.), transverse clefts on the sides just back of the mouth in the vertebrate embryo, which open into the pharyngeal portion of the alimentary canal, and correspond to the branchial clefts in adult fishes. {Visceral cavity} or {tube} (Anat.), the ventral cavity of a vertebrate, which contains the alimentary canal, as distinguished from the dorsal, or cerebro-spinal, canal. www.beetfoundation.com /words/v/visceral.html   (199 words)

Glossopharyngeal nerve - Wikipedia, the free encyclopedia Visceral pain goes to the spinal nucleus of the trigeminal nerve. The glossopharyngeal nerve is the ninth of twelve cranial nerves. The gag reflex is absent in patients with damage to the glossopharyngeus nerve. en.wikipedia.org /wiki/Glossopharyngeal_nerve   (222 words)

Glossopharyngeal Nerve Visceral sensory nerve fibers originate from the carotid body (oxygen tension measurement) and carotid sinus (blood pressure changes). The tympanic nerve is a branch that is occurs prior to exit the skull. The tympanic nerve exits the jugular foramen and passes by the inferior glossopharyngeal ganglion. www.meddean.luc.edu /lumen/MedEd/GrossAnatomy/h_n/cn/cn1/cn9.htm   (411 words)

Ear.doc The superior ganglion is concerned with the general sensory component of the nerve, and the inferior ganglion is concerned with the visceral sensory component of the nerve. The parotid gland is innervated by the lesser petrosal nerve, a branch of the glossopharyngeal nerve (CN IX). The greater petrosal nerve is a branch of the facial nerve that arises adjacent to the geniculate ganglion. www-personal.umich.edu /~benwei/cgi-data/shared/linked/Ear.doc   (2295 words)

Ear.doc The superior ganglion is concerned with the general sensory component of the nerve, and the inferior ganglion is concerned with the visceral sensory component of the nerve. The parotid gland is innervated by the lesser petrosal nerve, a branch of the glossopharyngeal nerve (CN IX). The greater petrosal nerve is a branch of the facial nerve that arises adjacent to the geniculate ganglion. www-personal.umich.edu /~benwei/cgi-data/shared/linked/Ear.doc   (2295 words)

Chapter 13- The Spinal Cord and Spinal Nerves The nerve root contributions are from the ventral rami of spinal nerves_____________. A nerve plexus is the convergence of the ventral rami of many spinal nerves blending together to form trunks of nerves. Nature of the response: is the effect of the reflex on the body, such as somatic response, or visceral response. newebzone.net /pm/chapter13.htm   (1257 words)

Inflammation-Induced Plasticity of the Afferent Innervation of the Airways Axonal transport of neurotrophins by visceral afferent and efferent neurons of the vagus nerve of the rat. Involvement of glutamate in transmission of afferent constrictive inputs from the airways to the nucleus tractus solitarius in ferrets. Afferent vagal C fibre innervation of the lungs and airways and its functional significance. ehp.niehs.nih.gov /members/2001/suppl-4/567-571carr/carr-full.html   (5421 words)

Oculomotor Nerve The oculomotor nerve originates from motor neurons in the oculomotor (somatomotor) and Edinger-Westphal (visceral motor) nuclei in the brainstem. The nerve passes through the two layers of the dura mater including the lateral wall of the cavernous sinus and then enters the superior orbital fissure to access the orbit. Nerve cell bodies in this region give rise to axons that exit the ventral surface of the brainstem as the oculomotor nerve. www.meddean.luc.edu /lumen/MedEd/GrossAnatomy/h_n/cn/cn1/cn3.htm   (5421 words)

Glossopharyngeal Nerve The glossopharyngeal nerve is a mixed motor and sensory nerve; it conveys somatic and autonomic efferents as well as general, special, and visceral afferents. Cranial Nerve IX; Ninth Cranial Nerve; Cranial Nerve IXs; Cranial Nerve, Ninth; Cranial Nerves, Ninth; Glossopharyngeal Nerves; IX, Cranial Nerve; IXs, Cranial Nerve; Nerve IX, Cranial; Nerve IXs, Cranial; Nerve, Glossopharyngeal Among the connections are motor fibers to the stylopharyngeus muscle, parasympathetic fibers to the parotid glands, general and taste afferents from the posterior third of the tongue, the nasopharynx, and the palate, and afferents from baroreceptors and chemoreceptors of the carotid sinus. medical.webends.com /kw/Glossopharyngeal+Nerve   (123 words)

Reflex Effects of Oral, Gastrointestinal and Hepatoportal Glutamate Sensors on Vagal Nerve Activity -- Niijima 130 (4): 971 -- Journal of Nutrition Lower panel: schematic representation of the reflex pathway from visceral glutamate sensors to gastric and pancreatic nerve. efferent activity of the vagal gastric and pancreatic nerves. gastric and pancreatic branches of the vagus nerve. www.nutrition.org /cgi/content/full/130/4/971S   (1825 words)

International Pelvic Pain Society Continued stimulus of visceral nerve endings (C fibers) results in sensitization of the dorsal root and dorsal horn to noxious stimulus (hyperalgesia) or to a light sensory stimulus (allodynia). The resultant visceral organ hypersensitivity often presents as painful physiologic visceral function, such as severe dysmenorrhea, dyspareunia, painful ovulation and orgasm; painful stretching of visceral tissues, such as bladder and bowel distention, and speculum exam. Acute visceral pathologic diseases produce pain by various mechanisms that result in release of neuro activators and sensitizers such as histamine seratonin, bradykinin and leukokinin, as well as bacterial endotoxins. www.pelvicpain.org /acute_chronic_visc.asp   (1825 words)

MSN Encarta - Multimedia - Cranial Nerves All but 1 pair relay motor or sensory information (or both); the tenth, or vagus nerve, affects visceral functions such as heart rate, vasoconstriction, and contraction of the smooth muscle found in the walls of the trachea, stomach, and intestine. Whereas most major nerves emerge from the spinal cord, the 12 pairs of cranial nerves project directly from the brain. encarta.msn.com /media_461516677/Cranial_Nerves.html   (1825 words)

Peripheral Neuropathy Lectures The peripheral nervous system can be divided clinically into somatic nerves and visceral nerves. It is also helpful when evaluating a patient with a peripheral neuropathy to have in mind a schema or outline in mind that is based on the physiology and pathology of nerves with the goal of making efficient use of diagnostic tests to yield an accurate diagnosis. Nerve conduction studies are carried out for sensory and motor nerves separately www-medlib.med.utah.edu /neuronet/pn/bromberg.html   (1825 words)

Glossopharyngeal nerve - Wikipedia, the free encyclopedia Visceral pain goes to the spinal nucleus of the trigeminal nerve. The glossopharyngeal nerve is the ninth of twelve cranial nerves. The gag reflex is absent in patients with damage to the glossopharyngeus nerve. www.wikipedia.org /wiki/Ninth_cranial_nerve   (1825 words)

ICP monitors The accessory nerve in the neck lies on the internal jugular vein over the lateral mass of the atlas, passes into the sternomastoid which it supplies, and then descends within the posterior triangle over the levator scapulae to supply the trapezius by passing into its deep surface. Later forms motor portion of recurrent laryngeal nerves supplying intrinisic muscles of larynx. Outside the skull, the accessory nerve gives all its cranial fibers to the vagus. www.ucsf.edu /nreview/02.2-Anatomy-CranialNerves/CN11-accessory.html   (193 words)

Wells Family Chiropractic Nerve dysfunction is stressful to the visceral nerve and other body structures, and the lowered tissue resistance modifies the immune response and lessens the overall capability of the immune system. The influence of the sympathetic system may result in synaptic sensitization of the cental nervous system and peripheral nerves, creating a vicious cycle. “The quality of healing is directly proportional to the functional capability of the nervous system to send and receive nerve messages.” www.doctorwells.com /quotes.asp   (193 words)

Addiction, How Drugs Work In The Brain Part 1 The peripheral nervous system comprises cranial nerves, controlling face and neck; spinal nerves, radiating to other parts of the body; and autonomic nerves, which form a subsidiary system regulating the iris of the eye and muscles of heart, glands, lungs, stomach, and other visceral organs. The central nervous system, consisting of the brain and spinal cord, receives impulses from receptors in the skin and organs via sensory (afferent) nerve fibers; it returns impulses via motor (efferent) fibers to terminals in muscles and glands. Dendrites and axons are called nerve fibers; a nerve is a bundle of nerve fibers. www.a1b2c3.com /drugs/pictures/add01.htm   (992 words)

visceral (1) visceral, splanchnic -- (relating to or affecting the viscera; "visceral bleeding"; "a splanchnic nerve") 2. Grep of noun visceral visceral brain visceral leishmaniasis visceral pericardium visceral pleura Overview of adj visceral The adj visceral has 2 senses (first 1 from tagged texts) 1. intuitive, nonrational, visceral -- (obtained through intuition rather than from reasoning or observation) www.beetfoundation.com /words/v/alt.visceral.html   (992 words)

Chapter 15 Visceral pain  is due to stretch, spasm, ischemia, or chemical irritation of our viscera (contents of our ventral body cavity). The pain may also be felt in a body surface farther away from the stimulated visceral organ. Receptors located in skeletal muscles, in tendons, in and around joints, and in the internal ear convey nerve impulses related to muscle tone, movement of body parts, and body position. spot.pcc.edu /~mwalters/bi232/15SensMotor.htm   (992 words)

Lecture Notes-28 Vagus (X): the major nerve of the parasympathetic system: goes to most visceral organs (heart, lungs, kidneys, liver, stomach, intestines) The 12 pairs of cranial nerves emerge mainly from the ventral surface of the brain This damages the Olfactory nerve as it passes through the plate. members.aol.com /Bio50/LecNotes/lecnot28.html   (364 words)

2002 Gross Final Visceral pain from an inflamed appendix involves afferent nerve fibers, As a result of the nerve damage, muscle atrophy ultimately occurs, leading to loss of the normal rounded contour of your patient's shoulder. He has been supporting his weight on his axilla rather than with his hands, resulting in a compression injury to a major nerve in the axilla. 2006.jetsetelective.com /2006/study/angela_grossfinalquestions.htm   (364 words)

vagus nerve tenth cranial nerve; a mixed nerve which contains somatic and visceral afferents, parasympathetic efferents, and efferents to striated muscle. crisp.cit.nih.gov /Thesaurus/00008386.htm   (364 words)

MSN Encarta - Multimedia - Cranial Nerves All but 1 pair relay motor or sensory information (or both); the tenth, or vagus nerve, affects visceral functions such as heart rate, vasoconstriction, and contraction of the smooth muscle found in the walls of the trachea, stomach, and intestine. Whereas most major nerves emerge from the spinal cord, the 12 pairs of cranial nerves project directly from the brain. encarta.msn.com /media_461516677/Cranial_Nerves.html   (364 words)

Glossopharyngeal Nerve Visceral sensory nerve fibers originate from the carotid body (oxygen tension measurement) and carotid sinus (blood pressure changes). Nerve fibers from this nucleus join the other components of the ninth nerve during their exit from the brain stem. The tympanic nerve is a branch that is occurs prior to exit the skull. www.meddean.luc.edu /lumen/MedEd/GrossAnatomy/h_n/cn/cn1/cn9.htm   (364 words)

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