Animal Nerve Function

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yourmomhaslice
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212809
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Animal Nerve Function
Updated:
2013-04-11 00:31:50
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Exam3 Exam animal nerve function biofuck
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  1. Neuron
    Cells of the nervous system that transmit electrical and chemical signals.
  2. Cells of the nervous system that transmit electrical and chemical signals.
    Neuron
  3. Dendrite
    Part of the neuron that receives signals.
  4. Axon
    Part of the neuron that delivers signal
  5. Part of the neuron that delivers signal
    Axon
  6. Part of the neuron that receives signal
    dendrite
  7. Resting potential
    • Difference in charge across a non-active cell
    • membrane
  8. Difference in charge across a non-active cell
    membrane
    Resting potential
  9. Action potential
    rapid, temporary change in charge across membrane that transmits signal.
  10. rapid, temporary change in charge across membrane that transmits signal.
    Action Potential
  11. 3 phases of action potential
    • depolarization
    • repolarization
    • hyperpolarization
  12. Voltage-gated channels
    Controls ion flow by opening and closing in response to changes in membrane voltage.
  13. Controls ion flow by opening and closing in response to changes in membrane voltage.
    Voltage Gated Channels
  14. Schwann cells
    • Makes up the myelin sheath (behaves as
    • insulation)
  15. Makes up the myelin sheath (behaves as
    insulation)
    Schwann cells
  16. Node of Ranvier
    • Space between schwann cells. (signal jumps
    • between them)
  17. Space between schwann cells. (signal jumps
    between them)
    Node of Ranvier
  18. Synapse
    Area between two adjacent neurons
  19. Area between two adjacent neurons
    Synapse
  20. Neurotransmitter
    molecules released to transmit information.
  21. molecules released to transmit information.
    neurotransmitter

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