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21 Cards in this Set
- Front
- Back
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What is the function of microglia?
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phagocytes, immunity
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What is the function of astrocytes?
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control environment around neurons
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What is the function of oligodendrocytes?
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myelinated axon on CNS
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What is the function of ependymal cells?
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maintain blood brain barrier
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What is function of schwann cells?
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myelinated axon on PNS
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What is the function of satellite cells?
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surround cell body
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What are dendrite?
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receptive regions
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what are axons?
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conduct nerve impulses
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What are axon terminal?
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synaptic knobs
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What are synaptic cleft?
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tiny gap separates axon terminal from cell body
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What are myelin?
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nerve fibers covered with fatty material
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What are nodes of Ranvier?
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gap in the sheath; where depolarization happen
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What are unipolar?
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divide into peripheral and central processes
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What are bipolar
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one axon, one dendrite
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what are multipolar
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many processes issue from cell body
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What are sensory neurons?
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afferent; sensory information goes into the CNS
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What is motor neurons?
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efferent; motor commands away from CNS
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What is endoneurium?
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connective tissue sheath insulate neuron from adjacent neuron
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What is perinerurium?
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group of fibers of connective tissues to form fascicles
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What is epineurium?
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white, fibrous connective tissue; cordlike nerve
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What is neuron?
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basic functinal units of nervous tissue; transmit message
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