AN SC 310 - 6a

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Author:
ebacker
ID:
175263
Filename:
AN SC 310 - 6a
Updated:
2012-10-03 14:37:09
Tags:
AN SC 310
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Description:
Lecture 6 - Action Potentials Graded vs Action Potentials Table 7.2
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  1. GP vs AP Location
    • GP - Dendrites, cell body, sensory receptors
    • AP - Axon
  2. GP vs AP Strength
    • GP - Weak, proportional to strength of stimulus, dissipates over distance
    • AP - 100 mV, all-or-none
  3. GP vs AP Direction of change in membrane potential
    • GP - Depolarizing or hyperpolarizing depending on stilumus
    • AP - Depolarizing
  4. GP vs AP Summation
    • GP - Spatial & temporal
    • AP - None
  5. GP vs AP Refractory Periods
    • GP - None
    • AP - Absolute and relative
  6. GP vs AP Channel types in producing change in potential
    • GP - Ligand-gated, mechanically gated
    • AP - Voltage-gated
  7. GP vs AP Ions involved
    • GP - Usually Na+, K+, Cl-
    • AP - Na+, K+
  8. GP vs AP Duration
    • GP - Few msec to sec
    • AP - 1 to 2 msec

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