- A fat-soluble alkaloidal fraction extracted from the root of Rauwolfia serpentina, containing reserpine and other nonadrenolytic amorphous alkaloids; used as a sedative in psychoses, in mild hypertension, and as an adjunct to more potent hypotensive drugs.
* * *al·ser·ox·y·lon .al-sə-'räk-sə-.län n a complex extract from a rauwolfia (Rauwolfia serpentina) of the Indian subcontinent, Myanmar, Thailand, and Java that has a physiological action resembling but milder than that of reserpine
* * *al·ser·ox·y·lon (al″sər-okґsə-lon) a purified extract of Rauwolfia serpentina, containing reserpine and other amorphous alkaloids; used orally as an antihypertensive.
Medical dictionary. 2011.