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noradrenaline |
Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia, Hutchinson | 0.04 sec. |
norepinephrineor noradrenalineOne of two catecholamine hormones (epinephrine is the other) secreted by the adrenal glands, as well as at nerve endings, as a neurotransmitter. It resembles adrenaline chemically and in its actions on the body, which mimic sympathetic nervous system stimulation. It constricts most blood vessels and is given for certain types of shock. Norepinephrine is formed from tyrosine and converted to epinephrine. It was discovered by Ulf von Euler-Chelpin (1905–83) in the mid-1940s. noradrenaline [‚nȯr·ə′dren·ə·lən] (biochemistry) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In the space at the middle of the four electrodes, they placed a cell that in the adrenal gland releases the stress hormones adrenaline and noradrenaline. That's because your brain releases the chemical noradrenaline when you're standing, but not when lying down. 5) The mechanism of action of amphetamine, a noradrenaline releaser, in preventing motion sickness is unclear. |
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