Which of the following is a neurotransmitter at preganglionic area?
Correct Answer: Acetylcholine
Description: Ans. D AcetylcholineRef: Ganong's, 25th ed. pg. 259, 266* Acetylcholine is released at the nerve terminal of all preganglionic neuron, postganglionic parasympathetic ganglion and a few postganglionic sympathetic gangli- on(e.g.: Sweat gland and sympathetic vasodilator fibres).The remaining sympathetic postganglionic neuron release norepinephrine.
Category:
Physiology
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