Gaois

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  1. SOCIAL QUESTIONS|health · SCIENCE|natural and applied sciences|life sciences · INDUSTRY|chemistry|chemical compound

    #634002

    IATE #1666822
    séireatoinin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Serotonin
    de
    serotonin | 5-hydroxytryptamine | 5HT
    en
    Definition compound present in blood platelets and serum, which constricts the blood vessels and acts as a neurotransmitter Reference "‘serotonin’. Oxford Dictionaries. Oxford University Press, https://en.oxforddictionaries.com/definition/serotonin [31.7.2017]"
    Comment "It is derived from the amino acid tryptophan. It occurs in the brain, intestinal tissue, blood platelets, and mast cells and is a constituent of many venoms, including wasp venom and toad venom. It is a potent vasoconstrictor and functions as a neurotransmitter. It is concentrated in certain areas of the brain, especially the midbrain and the hypothalamus, and changes in its concentration are associated with several mood disorders. Some cases of mental depression are apparently caused by reduced quantities or reduced activity of serotonin in the brain. Several antidepressant drugs achieve their effect by inhibiting the body’s physiological inactivation of serotonin, resulting in the accumulation of that neurotransmitter in the brain (and a consequent elevation of mood). Conversely, excessive serotonin activity in the brain appears to cause such symptoms as migraines and nausea. The hallucinogenic compound LSD may act by inhibiting the action of serotonin.Reference: ‘serotonin’. Encyclopædia Britannica, https://www.britannica.com/science/serotonin [31.7.2017]"
    sérotonine | 5HT | 5-hydroxytritptamine
    fr
    Definition neurohormone régulatrice de l'activité cardiaque dont les récepteurs seraient localisés exclusivement sur l'oreillette ; Substance aminée élaborée par certaines cellules de l'intestin et du tissu cérébral, véhiculée par les plaquettes sanguines et jouant un rôle physiologique important comme vasoconstricteur, régulateur de la motilité intestinale et médiateur de l'activité du système nerveux central. Reference Term.drogues ; Petit Robert, 1994
    Comment MISC: formule chimique C10H12N2O