papaverine

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papaverine

(pəpăv`ərēn), alkaloid found in opiumopium,
substance derived by collecting and drying the milky juice in the unripe seed pods of the opium poppy, Papaver somniferum. Opium varies in color from yellow to dark brown and has a characteristic odor and a bitter taste.
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 that acts as a muscle relaxant and vasodilator. The drug relaxes the smooth muscle of the larger blood vessels and is used to increase the blood supply to the brain or to the heart, as in the treatment of angina pectorisangina pectoris
, condition characterized by chest pain that occurs when the muscles of the heart receive an insufficient supply of oxygen. This results when the arteries that supply the heart muscle with oxygenated blood are narrowed by arteriosclerosis.
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. It is also used in the treatment of some types of blood clot formation and in the treatment of impotence when the condition is caused by a lack of blood flow.

Papaverine

 

an antispasmodic alkaloid that is found in opium. Papaverine is also produced synthetically. It is used in solutions and tablets for treating such spastic conditions as hypertension, angina pectoris, and irritable colon.

papaverine

[pə′pav·ə‚rēn]
(organic chemistry)
C20H21O4N A white, crystalline alkaloid, melting at 147°C; soluble in acetone and chloroform, insoluble in water; used as a smooth muscle relaxant and weak analgesic, usually as the water-soluble hydrochloride salt.