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19 Cards in this Set
- Front
- Back
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What is include in the Nervous System?
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*All the neural tissue of the body - neuron & neuroglia
*Basic unit = neuron |
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What does the nervous system provide?
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*The nervous system provides swift, brief responses to stimuli.
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What are the divisions of the nervous system?
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*CNS(Central Nervous System)
*PNS(Peripheral Nervous System) |
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What does the CNS(Central Nervous System) contain?
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*The brain and spinal cord.
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What does the PNS(Peripheral Nervous System) contain?
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*The neural tissue outside the CNS(Central Nervous System)
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What type of division brings sensory information from receptors?
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*Afferent division.
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What type of division carries motor commands to effectors?
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*Efferent division.
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What is include in efferent division?
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*Efferent division includes somatic nervous system and autonomic nervous system.
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How many types of neuroglia are in the CNS?
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*Four.
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What are the four types of neuroglia found in the CNS?
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*Ependymal, Astrocytes, Oligodendrocytes, and Microglia.
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What are ependymal cells?
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*Related to cerebrospinal fluid.
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What are astrocytes?
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*Largest and most numerous.
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What are oligodendrocytes?
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*Myelination of CNS axons.
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What are Microglia?
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*Phagocytic cells.
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What two types of neuroglian are in the PNS?
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*Satellite cells and schwann cells.
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What are satellite cells?
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*surround neuron cell bodies within ganglia.
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What are schwann cells?
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*Ensheath axons in the PNS.
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What makes up a neuron structure?
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*Cell body, dendrites, and axon.
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What is a cell body?
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*cell body contains mitochondria, lysosomes, a Golgi apparatus, chromatophilic substance
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