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Q. Common neurotransmitter in PNS is

UP CPMTUP CPMT 2001

Solution:

Neurotransmitter are low molecular mass substances released in minute amounts at inter neural, neuro-muscular and neuro-glandular synapses. They may be excitatory (depolarizing post-synaptic membrane) or inhibitory (hyperpolarizing post synaptic membrane). Most widespread neurotransmitter is acetylcholine, but others are - noradrenaline, dopamine, etc.