Neurobiology: Pt. 3
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Which voltage-gated ion channel is the only one that has two?
The threshold is the __. The bump on the graph occurs at the __.
axon hillock x2
Explain briefly the threshold.
EPSPs summate, making the interior negative
A voltage-gated Na channel has __, all activated by __. They do what at threshold? __ causes a __.
- four subunits
- inactivation ion gate
What are the two gates that are involved with the voltage-gated ion gate?
- activation gate
- inactivation gate: step four (repolarization)
- undershoot (the shift goes counter-clockwise)
Where does the devil lie?
in the posterior hypothalamus
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