The neurotransmitters which is released from the sympathetic preganglionic fiber is acetylcholine
Neurotransmitters are those chemical substances which are released at the end of a nerve fibre by the arrival of a nerve impulse and by diffusing across the synapse or junction, they effects the transfer of the impulse to another nerve fibre
So few other examples of neurotransmitters are:
So therefore, the neurotransmitters which is released from the sympathetic preganglionic fiber is acetylcholine
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