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- cell body of the neuron
- holds the nucleus and genetic info
- synthesizes protein |
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- branches from the neuron's soma (cell body)
- majority of neuron input happens via the dendritic spine |
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- sensory neurons
- motor neurons
- internuerons |
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| - provides sensory information to brain (touch, smell, vision, etc.) |
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| - connect neurons to other neurons within the same region central nervous system (brain/spinal cord) |
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- coined from the Greek "syn-" ("together") and "haptein" ("to clasp")
- structure that permits neurons to send electrical or chemical signals to another cell |
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- at the end of a neuron's axon
- consists of a neurotransmitter generator, synaptic gap, and |
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- carries electrical impulses from a neuron to other cells
- creates electrical impulses by means of ion channels (Na+/K+). |
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- lipid layer insulating the axon
- some have gaps (nodes of ranvier) that facilitate faster transmission |
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