Hyoscine; Levo-duboisine Definition
A tropane alkaloid drug that acts as an antagonist at the
► muscarinic subtype of acetylcholine receptor. It is named after the plant genus Scopolia. It acts as a nonse-lective competitive antagonist. In addition to its use in experiments as a disruptor of cognitive functioning, its main medical uses are in the treatment of nausea and motion sickness, intestinal cramping, as an antiemetic, and for ophthalmic purposes to induce pupil dilation and paralysis of the eye-focusing muscles.
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