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belladonna alkaloid
belladonna alkaloid A belladonna alkaloid is a substance derived from plants such as Atropa belladonna or Hyoscyamus niger that blocks muscarinic receptors and reduces parasympathetic activity.
A belladonna alkaloid is a substance derived from plants such as Atropa belladonna or Hyoscyamus niger that blocks muscarinic receptors and reduces parasympathetic activity. Its effects include lowering secretions like saliva, mucus, gastric juices, and sweat, and decreasing bladder contraction and gastrointestinal movement.