norepinephrine definition

  • noun:
    • A substance, C8H11NO3, both a hormone and neurotransmitter, secreted by the adrenal medulla therefore the neurological endings for the sympathetic nervous system to cause vasoconstriction and increases in heartrate, blood pressure, together with sugar degree of the bloodstream. Also known as noradrenaline.
    • A neurotransmitter found in the locus coeruleus which is synthesized from dopamine.
    • A hormone (C8H11NO3) secreted by the adrenal medulla; in addition serves as a neurotransmitter, introduced at synapses; called additionally noradrenaline. Chemically it really is 2-amino-1-(3,4-dihydroxyphenyl)ethanol. It really is a precursor of epinephrine in the body.
    • a catecholamine predecessor of epinephrine which secreted by the adrenal medulla also released at synapses

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