Abbreviation for adrenocorticotropic hormone.
- big A. a form of A., produced by certain tumors, which is a larger and more acidic peptide molecule than little A., but is not immunochemically distinguishable from it and does not exert any of the biologic effects characteristic of A.; proteolytic digestion of big A. yields hormonally active little A CTH.
- little A. a term coined to denote the conventional A. molecule when contrasted with big A..
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adrenocorticotropic hormone

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ACTH .ā-.sē-(.)tē-'āch n a protein hormone of the anterior lobe of the pituitary gland that stimulates the adrenal cortex called also adrenocorticotropic hormone

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a hormone synthesized and stored in the anterior pituitary gland, large amounts of which are released in response to any form of stress. Its release is stimulated by corticotrophin-releasing hormone. ACTH controls the secretion of corticosteroid hormones from the adrenal gland. An analogue of ACTH, tetracosactide, is administered by injection to test adrenal function (see short Synacthen test).

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adrenocorticotropic hormone; see corticotropin.

Medical dictionary. 2011.

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  • ACTH — endoc. Siglas de la hormona adrenocorticotropa. Hormona de naturaleza polipeptídica formada por 39 aminoácidos que es segregada por la hipófisis. Actúa regulando la actividad secretora de las cápsulas suprarrenales. También se denomina… …   Diccionario médico

  • ACTH — ACTH: svw. ↑ Corticotropin. * * * ACTH,   Abkürzung für adrenocorticotropes Hormon, Corticotropin, Hormon des Hypophysenvorderlappens, regelt Synthese und Ausschüttung der Nebennierenrindenhormone (Glucocorticoide …   Universal-Lexikon

  • acth — [cit. aceteháş] s.n., art. ACTH ul Trimis de gall, 28.10.2008. Sursa: DOOM 2  ACTH s.n. Hormon proteic secretat de hipofiză, care stimulează glanda corticosuprarenală. [Sin.: Hormon adrenocorticotropic] (acronim, din engl. adrenocorticotropic… …   Dicționar Român

  • ACTH — n. 1. a growth hormone produced by the anterior pituitary gland; stimulates the adrenal cortex. Syn: adrenocorticotropic hormone, adrenocorticotrophic hormone, adrenocorticotropin, adrenocorticotrophin, corticotropin, corticotrophin [WordNet 1.5] …   The Collaborative International Dictionary of English

  • ACTH — Saltar a navegación, búsqueda Hormona adrenocorticotropa Obtenido de ACTH …   Wikipedia Español

  • ACTH — ⇒ adrenocorticotropes Hormon …   Deutsch wörterbuch der biologie

  • ACTH — sigla ES ingl. Adrenocorticotropic Hormone, ormone adrenocorticotropo …   Dizionario italiano

  • ACTH — [Abk. für engl. adrenocorticotropic hormone]: = Kortikotropin …   Das Wörterbuch medizinischer Fachausdrücke

  • ACTH — (adrenocorticotropic hormone) hormone secreted by the pituitary gland which stimulates steroid production by the cortex of the adrenal glands (Physiology) …   English contemporary dictionary

  • ACTH — ☆ ACTH n. [ A(DRENO)C(ORTICO)T(ROPIC)H(ORMONE)] a polypeptide hormone of the anterior part of the pituitary gland that stimulates hormone production of the adrenal cortex …   English World dictionary

  • ACTH — Produkte von POMC Adrenocorticotropin, auch Adrenocorticotropes Hormon (ACTH), ist ein Peptidhormon. Es wird unter Einfluss des Corticotropin releasing Hormons (CRH) in den basophilen Zellen des Hypophysenvorderlappens aus der Vorstufe des… …   Deutsch Wikipedia

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