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21 Cards in this Set
- Front
- Back
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contains a relatively large, round nucleus with a prominent nucleus
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Cell Body
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Slender sensitive processes that extend out from the cell body
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Dendrite
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Long cytoplasmic process capable of proagating an electrical impule known as AP
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Axon
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A specialized site where the neuron communicate with another cell
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Synapse
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Allows communication between cells at a synapse by the release of chemicals
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Neurotransmitter
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Where neurotransmitters are released
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Presynaptic Membrane
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Bears receptors for neurotransmitters
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Postsynaptic Membrane
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Small and have no anatomical features that distinguish dendrites from axons
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Anaxonic Nueron
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Has one dendrite process that branches extensively at the tip and one axon
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Bipolar Nueron
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The dendrites and axon are continous basically fused and cell body is off the one side
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Unipolar Nueron
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Unipolar neuron with processes that extend between between a sensory receptor and the CNS
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Afferent Fibers
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Axons traveling away from CNS
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Efferent Fibers
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Lines the central canal and ventricles form epithelium called epiendyma
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Epedymal Cells
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The largest and most numerous neuroglis in the CNS
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Astrocytes
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Posseses slender cytoplasmic extentions cell bodies are smaller and fewer processes than astrocytes
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Oligondendrocytes
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When oligondendrocytes cooperate in the formation of a myelin sheath along the length of an axon
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Myelinated
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Axons may not be completely covered by the processes of neuroglia
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Unmgelinated
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The least numerous and smallest neuroglia in the CNS
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Microglia
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Always Open
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Possive Channels
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Opn or close in response to specific stimuli
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Active Channels
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Any shift from the resting potential toagids OMV
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Depolarazation
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