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A&P 1
Nervous system
| Term | Definition |
|---|---|
| Neurons | cells of the nervous system that are structurally composed of a cell body, dendrites, and an axon. They not only initiate nerve impulses but also conduct them |
| Dendrites | receptive sites of the nerve cell; they extend from the cell body, giving the cell a starlike shape; they receive stimuli and convey them as nerve impulses to the cell body |
| axons | extensions of the neuron that conducts the nerve impulse away from the cell body to the terminal bouton at the end of the neruon |
| neuroglia | auxillary cells in the nervous system that supports and protects the neurons. examples are oligodendrocytes, microglia, and astrocytes |
| oligodendrocytes | glial cells in the brain and spinal cord whose cellular membrane forms the myelin sheath for axons in the CNS |
| microglia | found in the brain tissue |
| white matter | myelinated axons in the cns |
| gray matter | part of the cns made up of neuron cell bodies |
Created by:
countrygirl03
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