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Sigma KEE - Nerve
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Nerve
A nerve is an enclosed, cable-like bundle of nerve fibers (called axons) in the peripheral nervous system. Axons transmit electrical impulses. Nerves have historically been considered the basic units of the peripheral nervous system. A nerve provides a common pathway for the electrochemical nerve impulses called action potentials that are transmitted along each of the axons to peripheral organs or, in the case of sensory nerves, from the periphery back to the central nervous system. Each axon, within the nerve, is an extension of an individual neuron, along with other supportive cells such as some Schwann cells that coat the axons in myelin. Within a nerve, each axon is surrounded by a layer of connective tissue called the endoneurium. The axons are bundled together into groups called fascicles, and each fascicle is wrapped in a layer of connective tissue called the perineurium. Finally, the entire nerve is wrapped in a layer of connective tissue called the epineurium. Nerve cells (often called neurons) are further classified as sensory, motor, or mixed nerves. In the central nervous system, the analogous structures are known as nerve tracts.[from Wikipedia]
Relationships      
Children AbducensNerveCNVI
 ABranchOfDorsalPrimaryDivisionOfSuboccipitalNerve
 AccessoryNerve
 AnsaCervicalis
 AnteriorBranchOfObturatorNerve11
 AnteriorInterosseousNerveMedianNerve
 AnteriorInterosseousNerveMedianNerveC8T1
 AxillaryNerve
 BuccalBranchOfFacialNerveCNVII
 C1C2C3C4Nerve
 C1Nerve
 C1ViaHypoglossalNerve
 C2C3C4C5C6Nerve
 C3C4
 C5C6Nerve
 CervicalBranchOfFacialNerveCNVII
 CervicalNerveC3C4AndDorsalScapularNerveC5
 CervicalNervesC3C4C5C6C7
 DeepBranchOfUlnarNerve
 DeepBranchOfUlnarNerveC8AndT1
 DeepBranchOfUlnarNerveMedianNerve
 DeepFibularNerve
 DeepTemporalNervesFromMandibularNerveCNV3
 DorsalRamiC8T1T2T3T4T5T6T7T8T9T10T11
 DorsalRamusOfC1SuboccipitalNerve
 DorsalScapularNerveC4AndC5
 ExternalLaryngealBranchOfSuperiorLaryngealNerveAndRecurrentLaryngealNerveFromVagusNerveCNX
 ExternalLaryngealBranchOfSuperiorLaryngealNerveFromVagusNerveCNX
 ExternalPterygoidNerveFromMandibularNerveCNV3
 FacialNerveCNVII
 FemoralNerve
 FemoralNerveAndObturatorNerveMedialCompartment11
 FemoralNerveL2L37
 FemoralNerveLumbarNervesL1L2
 GlossopharyngealNerveCNIX
 GreaterOccipitalNerve
 HypoglossalNerveCNXII
 InferiorBranchOfOculomotorNerveCNIII
 InferiorGlutealNerveL5S1S2NerveRoots
 IntercostalNerve
 IntercostalNerves
 IntercostalNervesSubcostalNerve
 L1
 LateralPectoralNerveMedialPectoralNerveClavicularHeadC5AndC6SternocostalHeadC7C8AndT1
 LateralPlantarNerve
 LateralPlantarNerveFourthInterosseousSpaceSuperficialBranchOthersDeepBranchFirstAndSecondInterosseiLateralBranchOfDeepFibularNerve
 LateralPlantarNerveLateralThreeLumbricalsAndMedialPlantarNerveFirstLumbrical
 LateralPlantarNerveS1S2
 LateralPlantarNerveSuperficialBranch
 LevatorAniNerve
 LongThoracicNerve
 LowerSubscapularNerveSegmentalLevelsC5AndC6
 LumbarPlexusViaAnteriorBranchesOfL1L2L37
 MandibularBranchOfFacialNerveCNVII
 MandibularNerve
 MassetericNerveFromMandibularNerveCNV3
 MedialPectoralNerveC8T1
 MedialPlantarNerve
 MedialPterygoidNerveFromMandibularNerveCNV3
 MedianNerve
 MedianNerveDeepBranchOfUlnarNerveMedialHead
 MuscularBranchesOfUlnarNerve
 MusculocutaneousNerve
 MylohyoidNerveFromInferiorAlveolarBranchOfMandibularNerveCNV3
 NerveToObturatorInternusL5S1S2
 NerveToQuadratusFemorisL4L5S1
 NerveToTheStapediusFromFacialNerveCNVII
 ObturatorNerve
 ObturatorNervePiriformisNerveNerveToQuadratusFemoris
 OculomotorNerveCNIII
 PerinealBranchOfPudendalNerveS2S3S4
 PharyngealBranchOfVagusNerveCNX
 PharyngealPlexusOfVagusNerveCNX
 PhrenicAndLowerIntercostalNerves
 PiriformisNerveS1AndS2NerveRoots9
 PosteriorAuricularNerveFacialNerveCNVII
 PosteriorBranch
 PosteriorBranchOfObturatorNerveAdductorAndTibialPartOfSciaticNerveVerticalHead1112
 PosteriorBranchOfObturatorNerveL3L4
 PosteriorBranchOfSpinalNerve
 PosteriorInterosseousNerveC7C8
 PosteriorInterosseusNerve
 PosteriorInterosseusNerveC7C8
 PosteriorRamiOfSpinalNerves
 PudendalNerve
 RadialNerve
 RadialNerveC7C8AndT1
 RecurrentLaryngealNerveFromVagusNerveCNX
 S3S4LevatorAniNerve
 S4AndTwigsFromInferiorAnalNervesOfPudendalNerve
 SacralNervesS4S5OrS3S4
 SciaticNerve
 SciaticNerve10
 SciaticNerve10TibialL5S1S2
 SecondThrough5ThIntercostalNerves
 SubclavianNerve
 SubcostalNerve
 SuboccipitalNerve
 SuperficialBranchOfUlnarNerve
 SuperficialFibularNerve
 SuperiorBranchOfOculomotorNerveCNIII
 SuperiorGlutealNerveL4L5
 SuperiorGlutealNerveL4L5S1NerveRoots
 SuprascapularNerve
 TemporalBranchOfFacialNerveCNVII
 ThoracodorsalNerve
 TibialNerve
 TibialNerveFromSciaticNerveSpecificallyNerveRootsS1S2
 TibialNerveS1S2NerveRoots
 TibialNerveSpecificallyNerveRootsL5S2
 TrochlearNerveCNIV
 UpperSubscapularNerveLowerSubscapularNerveC5C6
 VagusNerveCNXAccessoryNerveCNXI
 VentralRamiOfThirdToEighthCervicalSpinalNerves
 VentralRamusOfC5C6
 ZygomaticBranchOfFacialNerveCNVII


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