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14 Cards in this Set
- Front
- Back
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NERVOUS SYSTEM |
network of nerve cells and nerve fibers |
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2 MAIN PARTS OF NS |
1. central ns 2. peripheral ns |
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AXON |
transfers info |
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SENSORY NEURONS |
info from surroundings (ex. touch) |
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3 MAIN TYPES OF NEURONS |
1. sensory neurons 2. motor neurons 3. interneurons |
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CELL BODY (SOMA) & DENDRITES |
receiving and processing info |
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MOTOR NEURONS |
electrity impulses to organs, muscles, and glands; signal for actions |
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INTERNEURONS |
neuron to neuron; communucation network bet. s and m |
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SYNAPSES |
release of chemical messengers; chemical or electrical |
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NEUROTRANSMITTER |
ascending to receiving neuron |
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GLIAL CELLS |
protection and providing insulation |
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MYELIN |
substance surrounding atoms; insulator |
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CNS CELLS |
1. astrocytes 2. oliodendrocytes 3. microglia 4. ependymal cells |
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PNS CELLS |
1. satellite cells 2. schwann cells |
