Hillock

... signals that are interpreted by our body. Axons are just propagating the signal. I agree because the nerve impulse is generated at the axon hillock, not in the axon itself.

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I know the fact that, if the total strength of the nerve signal exceeds the threshold at axon hillock, it triggers an action potential. But if someone asks me a question about axon being the nerve impulse generator or the structure responsible for transfer of information, ...

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An action potential fires when the soma (cell body) reaches threshold. It is then, that the axon hillock begins to fire, this firing elicits a cascade of changes with the membrane potential. The voltage gated sodium channels open up, which depolarizes (make cell negative) ...

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... pump plays an important role in restoring resting membrane potential. An for the second, it is a net summation fo both EPSPs and IPSPs at the axon hillock that will determine of the neuron will be depolarized or hyperpolarized. Please tell me if I am on the right path.. Thanks

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