A hormone formed by neurosecretory cells and liberated by nerve impulses ( e.g., norepinephrine).

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neu·ro·hor·mone -'hȯr-.mōn n a hormone (as acetylcholine or norepinephrine) produced by or acting on nervous tissue

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a hormone that is produced within specialized nerve cells and is secreted from the nerve endings into the circulation. Examples are the hormones oxytocin and vasopressin, produced within the nerve cells of the hypothalamus and released into the circulation in the posterior pituitary gland, and noradrenaline, released from chromaffin tissue in the adrenal medulla.

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neu·ro·hor·mone (noorґo-hor″mōn) a hormone secreted by a specialized neuron into the bloodstream, the cerebrospinal fluid, or the intercellular spaces of the nervous system; examples are neuropeptides and other types of neuromodulators. Cf. neuroendocrine. neurohormonal adj

Medical dictionary. 2011.

Look at other dictionaries:

  • neurohormone — ● neurohormone nom féminin Substance synthétisée par des cellules nerveuses et sécrétée dans le sang circulant pour agir à distance sur des cellules cibles. neurohormone n. f. BIOCHIM Hormone sécrétée par les cellules nerveuses. neurohormone… …   Encyclopédie Universelle

  • Neurohormone — Neurohormone, neurosekretorische Hormone, von Neuronen aus Aminosäuren gebildete Peptide, die bei Wirbeltieren und Wirbellosen vorkommen und wohl die evolutionär ältesten Botenstoffe sind; sie wirken häufig auf die Bildung und Freisetzung bzw.… …   Deutsch wörterbuch der biologie

  • neurohormone — [noor΄ō hör′mōn, nyoor΄hör′mōn] n. a hormone made by nervous tissue neurohormonal [neu΄ro hormō′nəl] adj …   English World dictionary

  • Neurohormone — Neu|ro|hor|mo|ne 〈Pl.〉 alle Stoffe, die in Zellen des Nervengewebes gebildet od. ausgeschieden werden u. hormonwirksam sind * * * I Neurohormone,   von Nervenzellen, v. a. des Hypothalamus, abgesonderte Hormone: Adiuretin (Vasopressin) und… …   Universal-Lexikon

  • Neurohormone — Un neurohormone est un messager chimique produit par un neurone et qui agit comme une hormone. Il est créé et libéré exactement comme un neurotransmetteur, mais là où le neurotransmetteur agit sur un neurone à une distance très réduite (la… …   Wikipédia en Français

  • Neurohormone — A neurohormone is any hormone produced and released by neurons.[1] Examples include: Thyrotropin releasing hormone (TRH)[2] Gonadotropin releasing hormone (GnRH)[3] Adrenocorticotropin releasing hormone[4] Oxytocin …   Wikipedia

  • neurohormone — noun Etymology: International Scientific Vocabulary Date: 1935 a hormone (as acetylcholine or norepinephrine) produced by or acting on nervous tissue …   New Collegiate Dictionary

  • neurohormone — n. [Gr. neuron, nerve; hormaein, to excite] A hormone produced by neurosecretory cells …   Dictionary of invertebrate zoology

  • neurohormone — A hormone secreted by specialized neurons (neuroendocrine cells) ; eg. releasing hormones …   Dictionary of molecular biology

  • neurohormone — /noor oh hawr mohn, nyoor /, n. Biochem. any of various substances, as antidiuretic hormone, formed in the nervous system and delivered to an effector organ through blood circulation. [1940 45; NEURO + HORMONE] * * * ▪ hormone       any of a… …   Universalium

  • neurohormone — noun Any hormone that stimulates the nervous system …   Wiktionary

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