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A nerve generates an action potential through a series of events involving the opening and closing of ion channels. Initially, a stimulus causes sodium channels to open, allowing an influx of sodium ions, depolarizing the cell membrane. This triggers the opening of voltage-gated sodium channels, leading to a rapid depolarization phase and the propagation of the action potential along the nerve.
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Why is action potential self regenerating?
By self regenerating, they mean that when you start an action potential, it continues in proximal (nearby) tissue (e.g., nerve). The depolarization of the action potential continues along the nerve.
What is the electrical signal carried by a nerve cell?
Action potential
What is the name for the impulse generated when a neuron fires?
Brain send the message via nerve impulses involving neurons which use the neuro-transmitter AcetylcholineAcetylcholine- a neurotransmitter released at the neuromuscular junction triggers a muscle action potential, which leads to muscle contraction
How do pressure waves in the cochlea lead to an action potential in the auditory nerve?
Temporal
How fast does an action potential travel down a myelinated nerve?
An action potential is not passively propagated down the axon. There have to be ion channels along the axon or else the action potential will gradually decay. So the the rate of that the action potential 'travels' is dependent on the passive property called the length constant of the axon (factor in capacitance, axon diameter) plus the density of ion channels.
Is an action potential necessary for a nerve impulse to occur?
Yes, an action potential is needed for a nerve impulse to occur.
Is a action potential necessary for a nerve impulse to occur?
Yes, an action potential is needed for a nerve impulse to occur.
Also called a nerve impulse transmitted by axons?
action potential
Why is action potential self regenerating?
By self regenerating, they mean that when you start an action potential, it continues in proximal (nearby) tissue (e.g., nerve). The depolarization of the action potential continues along the nerve.
Why is action potential self-regenerating?
By self regenerating, they mean that when you start an action potential, it continues in proximal (nearby) tissue (e.g., nerve). The depolarization of the action potential continues along the nerve.
An electrical impulse moving down an axon is called?
This is called action potential. Action potential is the change in electrical potential that occurs between the inside and outside of a nerve or muscle fiber when it is stimulated, serving to transmit nerve signals.
When an action potential reaches the nerve terminal, what happens to the neurotransmitter release?
When an action potential reaches the nerve terminal, it triggers the release of neurotransmitters into the synapse.
What is another name for an action potential in neuroscience?
In neuroscience, another name for an action potential is a nerve impulse.
What will increase the rate of conduction of an action potential along a nerve?
Factors that can increase the rate of conduction of an action potential along a nerve include higher temperature, larger axon diameter, and the presence of myelin sheath. These factors facilitate the efficient propagation of the action potential signal by reducing resistance to its flow along the nerve.
How does an action potential pass along a nerve?
no spek eengish
What is the electrical signal carried by a nerve cell?
Action potential
What happens when an action potential reaches the nerve terminal?
When an action potential reaches the nerve terminal, it triggers the release of neurotransmitters into the synapse, which then transmit signals to the next neuron or target cell.
