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Motor nerves allow the brain to stimulate muscle contraction. A motor nerve is an efferent nerve that exclusively contains the axons of somatic and branchial motoneurons, which innervate skeletal muscles (that ensure locomotion) and branchial muscles (that motorize the face and neck).
See also
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| Histology: nervous tissue |
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| Neurons (gray matter) | soma - axon (axon hillock, axoplasm, axolemma, neurofibril/neurofilament)
dendrite (Nissl body, dendritic spine, apical dendrite, basal dendrite)
types: bipolar - pseudounipolar - multipolar - pyramidal - Purkinje - granule |
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| Afferent nerve/Sensory nerve/Sensory neuron | GSA - GVA - SSA - SVA - fibers (Ia, Ib or Golgi, II or Aβ, III or Aδ or fast pain, IV or C or slow pain) |
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| Efferent nerve/Motor nerve/Motor neuron | GSE - GVE - SVE - Upper motor neuron - Lower motor neuron (α motorneuron, γ motorneuron) |
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| Synapses | neuropil - synaptic vesicle - neuromuscular junction - electrical synapse - Interneuron (Renshaw) |
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| Sensory receptors | Meissner's corpuscle - Merkel nerve ending - Pacinian corpuscle - Ruffini ending - Muscle spindle
Free nerve ending
Olfactory receptor neuron - Photoreceptor cell - Hair cell - Taste bud |
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| Glial cells | Astrocyte (Radial glia) - Oligodendrocyte - Ependymal cells (Tanycytes) - Microglia |
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| Myelination (white matter) | CNS: Oligodendrocyte
PNS: Schwann cell - Neurolemma - Nodes of Ranvier/Internode - Schmidt-Lanterman incisures |
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| Related connective tissues | epineurium - perineurium - endoneurium - nerve fascicle - meninges |
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nl:Motorische zenuw
ja:運動神経fi:Liikehermo
