| 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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