单词	norepinephrine
释义	norepinephrine noun nor·​epi·​neph·​rine ˈnȯr-ˌe-pə-ˈne-frən  : a monoamine C8H11NO3 that is a neurotransmitter in postganglionic neurons of the sympathetic nervous system and in some parts of the central nervous system, is a vasopressor hormone of the adrenal medulla, and is a precursor of epinephrine in its major biosynthetic pathway Example Sentences Recent Examples on the Web Another neuromodulator, norepinephrine, is greatly reduced in REM sleep. Steven Strogatz, Quanta Magazine, 24 Aug. 2022 Intense exercise helps release serotonin, dopamine and norepinephrine, all of which give you motivation and focus. Yec, Forbes, 18 Aug. 2022 Today, millions of Americans are on antidepressants—not just SSRIs, but other serotonin, dopamine, and norepinephrine modulators. Eleanor Cummins, The New Republic, 10 Aug. 2022 However, for people who can’t tolerate SSRIs, serotonin-norepinephrine reuptake inhibitors (SNRIs) function similarly and offer another potential option for treatment. Eleesha Lockett, SELF, 18 Nov. 2021 Like many other forms of exercise, running increases concentrations of norepinephrine, a chemical that helps our brains modulate our stress responses. Outside Online, 1 Dec. 2020 But since the 1970s, it’s been thought that norepinephrine is not involved in this system during certain stages of sleep. Quanta Magazine, 22 Mar. 2022 When people are stressed out, their bodies start making higher levels of stress hormones like cortisol, adrenaline, epinephrine, and norepinephrine. Carmela Chirinos, Fortune, 18 Feb. 2022 Orgasms’ increase of dopamine, oxytocin, norepinephrine, and testosterone levels can do wonders for our mental and emotional well-being. Fiorella Valdesolo, Vogue, 14 Feb. 2022 See More Word History First Known Use 1937, in the meaning defined above Medical Definition norepinephrine noun nor·​epi·​neph·​rine ˌnȯr-ˌep-ə-ˈnef-rən  -rēn  : a catecholamine C8H11NO3 that is the chemical means of transmission across synapses in postganglionic neurons of the sympathetic nervous system and in some parts of the central nervous system, is a vasopressor hormone of the adrenal medulla, and is a precursor of epinephrine in its major biosynthetic pathway called also arterenol, noradrenaline see levophed
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