Autonomic nervous system is a part of the nervous system that regulates involuntary functions of the body, including heart rate, respiratory rate, digestion, pupillary response, urination, and sexual arousal. This system is the primary mechanism in control of the fight-or-flight response. This pharmacology lecture covers topics such as anatomy and physiology of the autonomic nervous system, afferent & efferent neurons, sympathetic & parasympathetic divisions, cholinergic & adrenergic neurons, nicotinic, adrenergic, and muscarinic receptors.
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