Source:http://linkedlifedata.com/resource/umls/id/C0003753
MSH: An alkaloid obtained from the betel nut (Areca catechu), fruit of a palm tree. It is an agonist at both muscarinic and nicotinic acetylcholine receptors. It is used in the form of various salts as a ganglionic stimulant, a parasympathomimetic, and a vermifuge, especially in veterinary practice. It has been used as a euphoriant in the Pacific Islands.,CSP: active compound in betelnuts; chewed as a euphoriant in many tropical cultures.