Of or relating to any drug such as atropine or scopolamine that blocks nerve impulses in the parasympathetic nervous system or counteracts the effects of acetylcholine, such blocking also resulting from the action of certain antiparkinsonian drugs, neuroleptics (1), and tricyclic antidepressants. Effects include dilation of the pupils of the eyes and preparation for far vision, dry mouth, quickening of the heart, reduction of gastric juice secretion, and retention of urine. See also benztropine, biperiden, cycloplegia, procyclidine, trihexyphenidyl. Compare cholinergic. [From anti + (acetyl)cholin(e) + Greek erg(on) work + -ik(os) of, relating to, or resembling]
Subjects: Psychology — Sports and Exercise Medicine.