Question

Process of the Generation of an action potential from Stimulation-to->Propagation-to->release of Neurotransmitter._

Answer 1

The generation of an action potential involves stimulation, propagation, and release of neurotransmitter.

Step-by-step explanation:

The generation of an action potential involves several steps: stimulation, propagation, and release of neurotransmitter.

1. Stimulation: A stimulus from a sensory cell or another neuron causes the target cell to depolarize towards the threshold potential.
2. Propagation: If the threshold of excitation is reached, all Na+ channels open, and the membrane depolarizes. The depolarization spreads along the axon as more voltage-gated Na+ channels open.
3. Release of Neurotransmitter: At the peak of the action potential, K+ channels open, and K+ begins to leave the cell. Simultaneously, Na+ channels close. This triggers the release of neurotransmitters from the axon terminal.

These steps ensure the efficient transmission of electrical signals from one neuron to another or from a neuron to a muscle cell.