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1. any of a group of closely related plant sterols, designated by Greek letters according to distinguishing characteristics.
2. a preparation of β-sitosterol and certain saturated sterols, used to treat hypercholesterolemia.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
A plant-derived chemical similar to cholesterol, commonly found in wheat germ, soybeans, and corn oil.
Farlex Partner Medical Dictionary © Farlex 2012
sitosterol(sī-tŏs′tə-rôl′, -rōl′, sĭ-)
Any of a group of sterols that occur in high concentrations in certain plants and are used in the synthesis of steroid hormones.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.