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词汇 muscarine
释义

Definition of muscarine in English:

muscarine

noun ˈmʌskərɪnˈmʌskəriːnˈməskəˌrēn
mass nounChemistry
  • A poisonous compound present in certain fungi, including the fly agaric.

    〔化〕毒蝇蕈碱,蝇菌素

    An alkaloid; chemical formula: C₉H₂₁NO₃

    Example sentencesExamples
    • These terms are used because nicotine mimics the action of acetylcholine at nicotinic receptors, whereas muscarine, an alkaloid from the mushroom Amanita muscaria, mimics the action of acetylcholine at the muscarinic receptors.
    • Many Inocybe and Clitocybe mushrooms contain larger concentrations of muscarine than does A. muscaria.
    • Two main classes of ACh receptors have been identified on the basis of their responsiveness to the toadstool alkaloid, muscarine, and to nicotine, respectively: the muscarinic receptors and the nicotinic receptors.

Origin

Late 19th century: based on Latin musca 'fly'.

Definition of muscarine in US English:

muscarine

nounˈməskəˌrēn
Chemistry
  • A poisonous compound present in certain fungi, including the fly agaric.

    〔化〕毒蝇蕈碱,蝇菌素

    An alkaloid; chemical formula: C₉H₂₁NO₃

    Example sentencesExamples
    • Two main classes of ACh receptors have been identified on the basis of their responsiveness to the toadstool alkaloid, muscarine, and to nicotine, respectively: the muscarinic receptors and the nicotinic receptors.
    • These terms are used because nicotine mimics the action of acetylcholine at nicotinic receptors, whereas muscarine, an alkaloid from the mushroom Amanita muscaria, mimics the action of acetylcholine at the muscarinic receptors.
    • Many Inocybe and Clitocybe mushrooms contain larger concentrations of muscarine than does A. muscaria.

Origin

Late 19th century: based on Latin musca ‘fly’.

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