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Topic: Peripheral nervous system

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Radial nerve

Cranial nerves

Autonomic nervous system

Median nerve

Long thoracic nerve

Central nervous system

Dermatomic area

Nerve

Brachial plexus

Parasympathetic

Phrenic nerve

Efferent

Parasympathetic nervous system

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Nervous system

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	The Peripheral Nervous System
		The preganglionic motor neurons of the sympathetic system arise in the spinal cord.
		In short, stimulation of the sympathetic branch of the autonomic nervous system prepares the body for emergencies: for "fight or flight" (and, perhaps, enhances the memory of the event that triggered the response).
		The main nerves of the parasympathetic system are the tenth cranial nerves, the vagus nerves.
	users.rcn.com /jkimball.ma.ultranet/BiologyPages/P/PNS.html (938 words)

	Cerebral palsy nervous system
		Nervous system consists of central nervous system and peripheral nervous system.
		This nervous system is divided in to somatic nervous system and autonomic nervous system.
		Cerebral palsy is a disorder of nervous system.
	www.cerebralpalsytreating.com /cerebral-palsy-nervous-system.html (395 words)

	Neuroscience For Kids - Explore the nervous system
		The peripheral nervous system is divided into two major parts: the somatic nervous system and the autonomic nervous system.
		The autonomic nervous system is divided into three parts: the sympathetic nervous system, the parasympathetic nervous system and the enteric nervous system.
		The enteric nervous system is a meshwork of nerve fibers that innervate the viscera (gastrointestinal tract, pancreas, gall bladder).
	faculty.washington.edu /chudler/nsdivide.html (1209 words)

	Peripheral Neuropathy Fact Sheet: National Institute of Neurological Disorders and Stroke (NINDS)
		Peripheral neuropathy describes damage to the peripheral nervous system, the vast communications network that transmits information from the brain and spinal cord (the central nervous system) to every other part of the body.
		Peripheral nerves also send sensory information back to the brain and spinal cord, such as a message that the feet are cold or a finger is burned.
		One example of an acquired peripheral neuropathy is trigeminal neuralgia (also known as tic douloureux), in which damage to the trigeminal nerve (the large nerve of the head and face) causes episodic attacks of excruciating, lightning-like pain on one side of the face.
	www.ninds.nih.gov /disorders/peripheralneuropathy/detail_peripheralneuropathy.htm (4076 words)

	Peripheral Neuropathy
		Peripheral neuropathy, in the broadest sense, refers to a scope of clinical syndromes (Table 1) affecting a variety of peripheral nerve cells and fibers, including motor, sensory, and autonomic fibers.
		Peripheral nerve disorders are relatively common conditions that affect 2.4% of the population.
		In those peripheral nerve disorders that are characterized by either wallerian degeneration or axonal degeneration, prognosis is less favorable due to the fact that the axon must regenerate and reinnervate muscle, the sensory organ, blood vessels, and other structures before clinical recovery is noted.
	www.clevelandclinicmeded.com /diseasemanagement/neurology/pneuro/pneuro.htm (3667 words)

	Peripheral nervous system (Anatomy 350A at UWO)
		The nervous system develops from embryonic segments, but in the adult state this is obvious only in the connections of nerve roots with the spinal cord.
		The ganglia of the sympathetic system are the chains of paravertebral ganglia that lie on the lateral aspects of the bodies of the vertebrae, and also the preaortic or collateral ganglia associated with the branches of the aorta that supply abdominal organs.
		The enteric nervous system can do much of its work independently, but it is modulated by preganglionic fibers from the vagus nerve (to the stomach, small intestine and first half of the colon) and from the pelvic splanchnic nerves (distal colon and rectum).
	publish.uwo.ca /~jkiernan/pns350.htm (2251 words)

	Autonomic nervous system - Psychology Wiki
		Its main components are its sensory system, motor system (comprised of the parasympathetic nervous system and sympathetic nervous system), and the enteric nervous system.
		The human nervous system is comprised by two major divisions: the central nervous system and the peripheral nervous system.
		The peripheral portion of the sympathetic nervous system is characterized by the presence of numerous ganglia and complicated plexuses.
	psychology.wikia.com /wiki/Autonomic_nervous_system (4807 words)

	Nervous System / Organization of the Nervous System / PNS
		The peripheral nervous system is further subdivided into the somatic nervous system and the autonomic nervous system.
		The somatic nervous system consists of nerves that go to the skin and muscles and is involved in conscious activities.
		The autonomic nervous system consists of nerves that connect the CNS to the visceral organs such as the heart, stomach, and intestines.
	training.seer.cancer.gov /module_anatomy/unit5_3_nerve_org2_pns.html (681 words)

	peripheral nervous system (pns)
		Myelin-associated glycoprotein in the central and peripheral nervous system of quaking mice.
		Immunohistochemical localization of carbonic anhydrase isoenzyme C in the central and peripheral nervous system of the mouse.
		Macrophages in the peripheral nervous system and astroglia in the central nervous system of rat commonly express apolipoprotein E during development but differ in their response to injury.
	www.arclab.org /node_pages/303.html (1353 words)

	Peripheral nervous system (from human embryology) -- Encyclopædia Britannica
		As with other higher vertebrates, the human nervous system has two main parts: the central nervous system (the brain and spinal cord) and the peripheral nervous system (the nerves that carry impulses to and from the central nervous...
		The sympathetic nervous system connects the internal organs to the brain by spinal nerves.
		The major parts of the system are the lymph nodes, tonsils, thymus, spleen, and lymphatic vessels; additional lymphatic tissue is found in isolated patches in the gastrointestinal tract, lungs, and bone marrow.
	www.britannica.com /eb/article-63808 (818 words)

	Nervous System
		The nervous system's jobs are to protect your body from harm, notify your body when fuel is needed, maintain balance in most situaions, shut itself down in times of rest, and adapt to the abuses and injuries you have recieved in your own lifetime.
		The answer is that the nervous system is the communication network of your body, running by the processes of chemical and eletrical signals.
		The somatic nervous system is responsible for the voluntary control of skeletal muscle and for the collection of sensory information from the body.
	www.geocities.com /CapeCanaveral/Launchpad/5172/nervous.html (1371 words)

	Peripheral Nervous System Information on Healthline
		The peripheral nervous system (PNS) consists of all parts of the nervous system, except the brain and spinal cord, which are the components of the central nervous system (CNS).
		The peripheral nervous system connects the central nervous system to the remainder of the body, and is the conduit through which neural signals are transmitted to and from the central nervous system.
		The sensory nervous system comprises 12 pairs of cranial nerves and 31 pairs of spinal nerves.
	www.healthline.com /galecontent/peripheral-nervous-system (667 words)

	THE PERIPHERAL NERVOUS SYSTEM
		he second major division of the nervous system, the peripheral nervous system, carries messages to and from the central nervous system.
		is composed of the sensory (afferent) neurons that carry messages to the central nervous system and the motor (efferent) neurons that carry messages from the central nervous system to the skeletal muscles of the body.
		The sympathetic and parasympathetic divisions of the autonomic nervous system.
	cwx.prenhall.com /bookbind/pubbooks/morris2/chapter2/medialib/summary/10.html (131 words)

	Nervous System
		The peripheral nervous system of humans consists of 12 pairs of cranial nerves and 31 pairs of spinal nerves.
		The sensory nervous system contributes to both functions by carrying stimuli from the external environment and monitoring the status of the internal environment.
		The somatic nervous system’s neurons carry signals to skeletal muscles in response to external stimuli; includes reflexes (automatic responses to stimuli) and is often considered “voluntary” since it is subject to conscious control.
	www.sp.uconn.edu /~bi107vc/sp02am/toedt/Nervousweb.html (1788 words)

	peripheral nervous system - multiple sclerosis encyclopaedia
		The peripheral nervous system (PNS) refers those nerves (neurons) that are not part of the brain or spinal cord.
		The ANS consists of both motor and sensory nerves which run both to and from the central nervous system and fulfills "automatic" functions that we are seldom aware of such as heart activity and the release of hormones.
		The autonomic nervous system is further divided into the sympathetic nervous system and the parasympathetic nervous system.
	www.mult-sclerosis.org /peripheralnervoussystem.html (349 words)

	Peripheral nervous system definition - Medical Dictionary definitions of popular medical terms easily defined on ...
		Peripheral nervous system (PNS): That portion of the nervous system that is outside the brain and spinal cord.
		The peripheral nervous system (PNS) is one of the two major divisions of the nervous system.
		The nerves in the peripheral nervous system (PNS) connect the central nervous system (CNS) to sensory organs (such as the eye and ear), other organs of the body, muscles, blood vessels and glands.
	www.medterms.com /script/main/art.asp?articlekey=8258 (335 words)

	Neuroscience for Kids - Divisions of the NS
		The autonomic nervous system is divided into three parts: the sympathetic nervous system, the parasympathetic nervous system and the enteric nervous system.
		Notice that the somatic nervous system has only one neuron between the central nervous system and the target organ while the autonomic nervous system uses two neurons.
		The enteric nervous system is a meshwork of nerve fibers that innervate the viscera (gastrointestinal tract, pancreas, gall bladder).
	staff.washington.edu /chudler/nsdivide.html (1183 words)

	The Peripheral Nervous System
		The nervous system consists of both the central and peripheral nervous system.
		The peripheral nervous system connects the central nervous system to various structures of the body.
		The central nervous system consists of the brain and a spinal cord that extends down the dorsal part of the body.
	www.marymount.k12.ny.us /marynet/Studentwebwork01/SpinalCordandPNS/HTML/peripheral.htm (147 words)

	NeurosurgeryToday.org \| What is Neurosurgery \| Patient Education Materials \| anatomy of the brain
		The nervous system is commonly divided into the central nervous system and the peripheral nervous system.
		The central nervous system is made up of the brain, its cranial nerves and the spinal cord.
		The peripheral nervous system is composed of the spinal nerves that branch from the spinal cord and the autonomous nervous system (divided into the sympathetic and parasympathetic nervous system).
	www.neurosurgerytoday.org /what/patient_e/anatomy1.asp (2599 words)

	Peripheral Nervous System, Nervous System, Autonomic Nervous System . . .
		Peripheral Nervous System, Nervous System, Autonomic Nervous System.
		The parasympathetic nervous calms the body, therefore it is referred to as the "wine and dine" nervous system.
		The the autonomic nervous system (ANS) is under control of central nervous system and is also part of the peripheral nervous system, although these nerves stay within the body and effect organs and soft tissues and do not leave to effect appendages (arms and legs).
	www.drstandley.com /bodysystems_peripheralnervous.shtml (578 words)

	Neurons and Support Cells
		Relatively few nerve cell bodies occur peripherally, in the ganglia (small clusters of nerve cells) of sympathetic and parasympathetic nervous systems.
		Both the paravertebral ganglia of the sympathetic nervous system and the scattered ganglia of the parasympathetic nervous system consist of small clusters of nerve cell bodies.
		In peripheral nerve cross sections stained for myelin, the myelin is generally visible as a dark or fl frame around each pale myelinated axon.
	www.siumed.edu /~dking2/ssb/neuron.htm (8840 words)

	Healing Tides
		Peripheral Nervous System --The peripheral nervous system is divided into two major parts: the somatic nervous system and the autonomic nervous system.
		The somatic nervous system consists of peripheral nerve fibers that send sensory information to the central nervous system AND motor nerve fibers that project to skeletal muscle.
		The VTA seems to be involved in pleasure: amphetamines and cocaine bind to the same receptors that it activates and this may account at least in part for their addictive qualities.
	www.healingtides.net /nervoussystem.htm (834 words)

	peripheral nervous system on Encyclopedia.com (Site not responding. Last check: )
		The Response to Injury in the Peripheral Nervous System
		Insulin signaling in the central nervous system: a critical role in metabolic homeostasis and disease from C. elegans to humans.(Perspectives in Diabetes)
		Pseudouveitis: a clue to the diagnosis of primary central nervous system lymphoma in immunocompetent patients.
	www.encyclopedia.com /html/X/X-peripher.asp (474 words)

	BBC Science & Nature - Human Body and Mind - Nervous System Layer
		Your peripheral nervous system consists of 12 pairs of cranial nerves, which emerge from your brain and mainly serve your head and neck.
		The autonomic part of your peripheral nervous system ensures that all your internal organs and glands function smoothly.
		Often referred to as your 'fight-or-flight' system, your sympathetic nervous system prepares your body for emergencies.
	www.bbc.co.uk /science/humanbody/body/factfiles/peripheralnervoussystem/peripheral_nervous_system.shtml (350 words)

	THE HUMAN NERVOUS SYSTEM (Site not responding. Last check: )
		The Peripheral Nervous System (PNS) is responsible for the body functions which are Not under conscious control - like the heartbeat or the digestive system.
		Distinguish between the somatic nervous system and the autonomic nervous system.
		The Italian scientist Luigi Galvani found that nervous tissue (groups of cells that conduct impulses) displays Electrical Activity in the form of a Nerve Impulse, which is a flow of electrical charges along The Cell Membranes of a Neuron.
	www.sirinet.net /~jgjohnso/nervous.html (3184 words)

	The Peripheral Nervous System
		The peripheral nervous system is a channel for the relay of sensory and motor impulses between the central nervous system on the one hand and the body surface, skeletal muscles, and internal organs on the other hand.
		It is composed of (1) spinal nerves, (2) cranial nerves, and (3) certain parts of the autonomic nervous system.
		As in the central nervous system, peripheral nervous pathways are made up of neurons (that is, nerve cell bodies and their axons and dendrites) as well as the points at which one neuron communicates with the next (that is, the synapse).
	www.becomehealthynow.com /article/bodynervousadvanced/821 (2597 words)

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