Acth
Biochemistry. a polypeptide hormone, produced by the anterior lobe of the pituitary gland, that stimulates the cortex of adrenal glands.
Pharmacology. this substance, extracted from the pituitary glands of hogs and other species, in the form of its white, water-soluble powder, used for the diagnosis of diseases that impair the adrenal glands.
noun
adrenocorticotrophic hormone; a polypeptide hormone, secreted by the anterior lobe of the pituitary gland, that stimulates growth of the adrenal gland and the synthesis and secretion of corticosteroids. It is used in treating rheumatoid arthritis, allergic and skin diseases, and many other disorders Also called corticotrophin
ACTH (ā’sē’tē-āch’)
n.
Adrenocorticotropic hormone; a hormone that is produced by the anterior lobe of the pituitary gland and that stimulates the secretion of cortisone, aldosterone, and other hormones by the adrenal cortex. Also called adrenocorticotropin, adrenotropin, corticotropin.
ACTH
Abbreviation of adrenocorticotropic hormone
adrenocorticotropic hormone
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- Actium
a promontory in NW ancient Greece: Antony and Cleopatra were defeated by Octavian and Agrippa in a naval battle near here in 31 b.c. Historical Examples The galleys “rammed” each other at Actium; but there was no Dahlgren or Sawyer to thunder from their decks or turrets. The Atlantic Monthly, Volume 15, No. 91, May, […]
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- Actin
a globulin that is present in muscle plasma and that in connection with myosin plays an important role in muscle contraction. variant of before a vowel: actinism. Historical Examples And if Mr. Robert hadn’t been actin’ so much like a poor prune he’d have quit that line right there. Torchy, Private Sec. Sewell Ford That’s […]
- Actinal
having tentacles or rays. pertaining to the oral area from which the arms or tentacles radiate. Historical Examples The plane of the actinal surface at first meets that of the abactinal at an acute or nearly right angle. The Works of Francis Maitland Balfour, Volume II (of 4) Francis Maitland Balfour The larval mouth is […]