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(A) Muscle contraction is initiated by a signal sent by the central nervous system $(CNS)$ via a motor neuron. When the action potential reaches the a

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acetyl choline

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(A) Muscle contraction is initiated by a signal sent by the central nervous system $(CNS)$ via a motor neuron. When the action potential reaches the axon terminal of the motor neuron, it triggers the release of a neurotransmitter called acetylcholine into the synaptic cleft. This acetylcholine binds to the receptors on the sarcolemma of the muscle fiber, generating an action potential that leads to muscle contraction.

Muscle contraction is initiated by a signal sent by the central nervous system by the release of . . . . . . .

Similar Questions

The synaptic knob possesses:

Which of the following does not act as a neurotransmitter?

Transmission of nerve impulse across the synapse is accomplished by:

True about electrical synapses:
$(I)$. Pre and postsynaptic neurons are in very close proximity.
$(II)$. Pre and postsynaptic neurons are separated by a synaptic cleft.
$(III)$. Impulse transmission is very fast.
$(IV)$. Electrical synapses are common in our system.
Select the correct option.

What happens if $GABA$ is released at the synapse?

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