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词汇 norepinephrine
释义

Definition of norepinephrine in English:

norepinephrine

noun ˌnɔːrɛpɪˈnɛfriːnˌnɔːrɛpɪˈnɛfrɪnˌnôrepəˈnefrən
  • another term for noradrenaline
    Example sentencesExamples
    • When you're under stress your adrenal glands produce the hormones cortisol, norepinephrine, and adrenaline.
    • As a natural response to a diseased heart, the body releases the hormone norepinephrine, causing the heart to beat up to five times faster than normal.
    • Some scientists believe that the combination of the norepinephrine and endorphins help us to learn quickly and permanently.
    • Within the adrenal medulla dopamine is converted to norepinephrine and epinephrine.
    • It inhibits serotonin, norepinephrine, and dopamine reuptake.

Origin

1940s: from nor- + epinephrine.

Definition of norepinephrine in US English:

norepinephrine

nounˌnôrepəˈnefrən
  • A hormone that is released by the adrenal medulla and by the sympathetic nerves and functions as a neurotransmitter. It is also used as a drug to raise blood pressure.

    Chemical formula: (HO)₂C₆H₃CHOHCH₂NH₂

    Also called noradrenaline
    Example sentencesExamples
    • As a natural response to a diseased heart, the body releases the hormone norepinephrine, causing the heart to beat up to five times faster than normal.
    • When you're under stress your adrenal glands produce the hormones cortisol, norepinephrine, and adrenaline.
    • Some scientists believe that the combination of the norepinephrine and endorphins help us to learn quickly and permanently.
    • Within the adrenal medulla dopamine is converted to norepinephrine and epinephrine.
    • It inhibits serotonin, norepinephrine, and dopamine reuptake.

Origin

1940s: from nor- + epinephrine.

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