muscarine

German: Muscarin
Japanese: ムスカリン

Biochemistry. A highly toxic alkaloid occurring in the fly fungus (Amanita muscaria) and other fungi of the species of Inocybe. Due to its related structure to choline it binds to muscarinic receptors leading to parasympathetic activation (elevation of muscle tone and peristaltics, dilatation of vessels, and bronchospasms) that may end in convulsions and death. The specific antidote is atropine.

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