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10 Cards in this Set
- Front
- Back
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2 Types of Nervous System Cells
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Neurons - Information
Glials - Support cells |
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Glial's Functions
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1) Regulate Homeostasis
2) Form Myelin 3) Support + Protect 4) Clean up |
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Astrocytes
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Star-shaped, largest, and most numerous type of glia
Regulate neural activity and brain chemistry Astrocytes transfer nutrients from the blood to the neurons |
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Oligodendroglia
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Hold nerve fibers together and produce the myelin sheath
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Microglia
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Small, usually stationary, cells "Sucker Fish"
Clean up debris In inflamed brain tissue, they enlarge, move about, and carry on phagocytosis |
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Ependymal cells
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Cushion ans protect
Form thin sheets that line fluid filled cavities Cerebrospinal fluid |
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Glials
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Glials
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Dendrites
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Conduct nerve signals to the cell body of the neuron
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Axon
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Conducts nerve impulses away from the cell body of the
neuron |
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Myelin Sheath
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Surrounds Axons
Insulates and Speeds |
