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Topic: Efferent nerve fiber

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Nerve

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	Nerve - Biocrawler (Site not responding. Last check: 2007-10-23)
		A nerve is an enclosed, cable-like bundle of nerve fibers or axons, which includes the glia that ensheath the axons in myelin.
		These signals, sometimes called nerve impulses, are also known as action potentials: Rapidly traveling electrical waves, which begin typically in the cell body of a neuron and propagate rapidly down the axon to its tip or "terminus." The signals cross over from the terminus to the adjacent neuron through a gap called the synapse.
		Nerve damage or pinched nerves are usually accompanied by pain, numbness, weakness, or paralysis.
	www.biocrawler.com /encyclopedia/Nerve (427 words)

	Efferent nerve - Wikipedia, the free encyclopedia
		The motor nerves are efferent nerves involved in muscular control.
		The cell body of the efferent neuron is found in the central nervous system where it is connected to a single, long axon and several short dendrites projecting out of the cell body itself.
		The motor neuron is present in the grey matter of the spinal cord, and forms an electrochemical pathway to the effector organ or muscle.
	en.wikipedia.org /wiki/Efferent_nerve_fiber (191 words)

	Lecture Notes: Assessment of the Reflexes
		the stimulated afferent (sensory) limb of the reflex arc conducts afferent (sensory) impulses through the dorsal root of the spinal nerve to the spinal cord
		the afferent (sensory) impulses synapse in the gray matter of the spinal cord with the efferent (motor) limb of the reflex arc
		the efferent (motor) impulses simtulate the release of neurotransmitters at neuromuscular junction
	www4.desales.edu /~sey0/reflexassessment.html (1760 words)

	PainOnline - Nerve Cells in Pain
		The sensations experienced in nerve pain are unlike anything else, ranging from the odd, “buzzing” sensation doctors call paresthesia that you might feel from a minor case of peripheral nerve damage, to the devastating complex, bizarre burning called dysesthesia that results from more severe nerve injury.
		Unfortunately, most pain fibers can’t be tested for their output characteristics because the output occurs so close to the cell body that the results are unreliable, especially with thermal receptors.In Central Pain, nerves continue the sensation of burning after touch stimulus stops.
		In large myelinated fibers, with their much greater reservoir, the percentage change in sodium ions is not very significant, and frequency of firing could be much, much faster.
	www.painonline.org /NerveCells.htm (7474 words)

	Nerve impulses are signals carried along nerve fibers (Site not responding. Last check: 2007-10-23)
		The nerve impulse evoked by stimulation of a nerve is a collective event recorded as it engages as many fibers as may be recruited by the intensity of the stimulus.
		The nerve of the frog is dissected from its origin at the spinal cord as 3-4 bundles of the sciatic plexus, all the way to the gastrocnemius muscle.
		If the nerve is stimulated at the proximal end, impulses travel in the normal direction (orthodromically) in the efferent fibers but antidromically in the afferent fibers.
	www.bio.fsu.edu /easton/topic13.html (444 words)

	Mechanisms of nerve injury (Site not responding. Last check: 2007-10-23)
		The nerve fiber is the functional component of the peripheral nerve responsible for transmitting stimuli.
		The nerve fiber is composed of an axon, a Schwann cell, and a myelin sheath in myelinated nerve fibers.
		A-alpha fibers are the largest myelinated fibers, functionally they are encoded for the transmission of muscle spindle and tendon organ afferents and skeletal muscle efferents.
	herkules.oulu.fi /isbn9514267508/html/x424.html (727 words)

	Tissue Response: Nerve: Page 10
		The a component of the CAP is composed of the action potentials from group I and group II efferent fibers as well as the afferent fibers that have overall diameters of approximately 5–22µm
		Most of the work on peripheral nerve has been done in the framework of mass action causing the damage.
		Nerve fibers sustaining this type of damage appear to almost always recover normal function.
	www.cwru.edu /groups/ANCL/pages/05/05_39.htm (544 words)

	Nerve Tissue (Site not responding. Last check: 2007-10-23)
		When a neuron is not conducting a nerve impulse, its membrane is polarized; that is, it carries a transmembrane potential.
		Bundles of nerve fibers within the CNS are referred to as tracts, which are analogous to the nerves of the PNS.
		The neurotransmitter released from the axon terminals of preganglionic nerves is acetylcholine, whereas that released from postganglionic axon terminals is norepinephrine.
	anatomy.iupui.edu /courses/histo_D502/D502f02/Nerve/Nerve.htm (3552 words)

	Cytology Lab (Site not responding. Last check: 2007-10-23)
		Striated muscle is characterized by large, multinucleate fibers with nuclei at the periphery (under the sarcolemma).
		The fibers are arranged in bundles surrounded by a perimysium.
		The spindle fibers are thin muscle fibers that are broad where the nerve fibers make contact with them.
	www.fsu.edu /~histo/fou~1.htm (1707 words)

	Afferent Synaptic Transmission in a Hair Cell Organ: Pharmacological and Physiological Analysis of the Role of the ...
		with antidromic conductance of a spike in the afferent fiber.
		to ascertain the absence of an efferent response to antidromic
		Efferent effects are occasionally elicited with high antidromic stimulus voltages through orthodromic activation of efferent fibers within the nerve trunk.
	jn.physiology.org /cgi/content/full/92/2/1105 (6322 words)

	Molecular Characteristics Suggest an Effector Function of Palisade Endings in Extraocular Muscles -- Konakci et al. 46 ...
		Nerve fibers were labeled with anti-ChAT (green), the nerve terminals with anti-synaptophysin (red), and the muscle fibers with phalloidin (gray).
		The synaptic cleft (arrowhead) is free of the basal lamina (arrow).
		The staining of the nerve fiber is weak but evident when compared with unstained nerve fibers in Figure 3.
	www.iovs.org /cgi/content/full/46/1/155 (5827 words)

	Medical Dictionary: Nerve - WrongDiagnosis.com
		Nerve: A bundle of fibers that receives and sends messages between the body and the brain.
		Nerve : any of the cordlike bundles of fibers made up of neurons through which sensory stimuli and motor impulses pass between the brain or other parts of the central nervous system and the eyes, glands, muscles, and other parts of the body; nerves form a network of pathways for conducting information throughout the body.
		For example, nerves from the brain tell your stomach when it is time to move food into your intestines.
	www.wrongdiagnosis.com /medical/nerve.htm (331 words)

	BSL PRO Lesson A03 - CAP: Nerve Conduction (Site not responding. Last check: 2007-10-23)
		The frog sciatic nerve is essentially a bundle of hundreds of individual nerve fibers (axons and long dendrites) bound by connective tissue.
		If the nerve fiber is at rest, the voltmeter will read 0 because both of its terminals are at the same voltage potential.
		Depending on the length of the nerve, you may need to reposition the "R+" lead such that it is connected to the pin that is closest to the end of the nerve, yet clearly in contact with it.
	www.biopac.com /bslprolessons/a03/bslproa03.htm (2918 words)

	Handout for Cranial Nerve Lecture (Site not responding. Last check: 2007-10-23)
		The task of discussing the functional anatomy of the 12 cranial nerves (10 of which have associated nuclei within the brainstem) and their central connections is daunting.
		For the spinal cord all fibers entering and leaving the CNS may be classified into one of four categories.
		Special Visceral Efferent: innervation of the branchiomeric muscles (homologous to the gill or branchial arches of fishes and develop into a variety of structures of the head and neck of higher vertebrates).
	www2.umdnj.edu /~neuro/neuro04/handouts/CranialNervesHandout.htm (988 words)

	carpal tunnel syndrome
		The median nerve was trapped between the transverse carpal ligament and the calcified mass.
		Median nerve compression at the wrist or carpal tunnel syndrome (CTS) is the most common of all nerve compression syndromes of the upper extremity1.3 and CTS has been used as a model for studying compression neuropathy (CN).
		Although the disease is usually diagnosed on the basis of clinical examination and nerve conduction studies, radiologic imaging plays an important role in equivocal cases and especially in the assessment of recurrent or unrelieved symptoms after surgical carpal tunnel release.
	www.ais.up.ac.za /med/carpal.htm (9651 words)

	Renal hemodynamic effects of activation of specific renal sympathetic nerve fiber groups -- DiBona and Sawin 276 (2): ...
		In another group of similarly prepared rats the remaining left renal nerves were sectioned to denervate the left kidney.
		The amplitude and periodicity of synchronized renal sympathetic nerve discharges in anesthetized cats: differential effect of baroreceptor activity.
		The amplitude of synchronized cardiac sympathetic nerve activity reflects the number of activated pre- and post-ganglionic fibers in anesthetized cats.
	ajpregu.physiology.org /cgi/content/full/276/2/R539 (5293 words)

	Direct measurement of cardiac sympathetic efferent nerve activity during dynamic exercise -- Tsuchimochi et al. 283 ...
		Direct measurement of cardiac sympathetic efferent nerve activity during dynamic exercise -- Tsuchimochi et al.
		A branch of the inferior cardiac nerve that
		In contrast to the exercise period, CSNA seems to be less involved in the regulation of HR during the recovery period.
	ajpheart.physiology.org /cgi/content/full/283/5/H1896 (6484 words)

	Structure of a nerve
		This Structure of a nerve dom is allocated for Structure of a nerve associated matters and should be used for Structure of a nerve interrelated and correlated Structure of a nerve issues only.
		Each bundle of nerve fibers is called a fasciculus and is surrounded by a layer of connective tissue called the perineurium.
		Within the fasciculus, each individual nerve fiber, with its myelin and neurilemma, is surrounded by connective tissue called the endoneurium.
	www.luckom.com /luckom-health-dom/Structure-of-a-nerve.html (958 words)

	Afferent-efferent, somatic-autonomic (Site not responding. Last check: 2007-10-23)
		are the route by which nerve impulses travel from sensory organs to the spinal cord
		Which of the following types of nerve fiber would you expect to find in the dorsal root of a spinal nerve?
		Which of the following features is found in afferent nerves and not efferent nerves?
	www.siumed.edu /~dwade/phys310/Affvseff,somvsauto.html (256 words)

	Nerve Tissue (Site not responding. Last check: 2007-10-23)
		Motor axons from ventral gray run thru vental root out to peripheral nerve and synapse at myofiber forming neuromusc.
		Peripheral nerve w/ myelination vary from 2-17 um dia.
		Peripheral Nerve stained w/ osmium- myelin fl, axon non staining
	condor.bcm.tmc.edu /~dd037020/cbhnerve1.html (2172 words)

	FOUND info about: nerve (Site not responding. Last check: 2007-10-23)
		205 Surgical disorders of the peripheral nerves Herbert Sedden nerve
		311 Surgical disorders of the peripheral nerves Herbert Seddon nerve
		393 Physiology and Electrochemistry of Nerve Fibers Ichiji Tasaki nerve
	mars.vulkanoiden.de /nerve_yyy.html (5639 words)

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