dromostanolone

any of a group of lipids with a complex molecule containing carbon atoms in four interlocking rings forming a hydrogenated cyclopentophenanthrene-ring system; three of the rings contain six carbon atoms each and the fourth contains five. Steroids are important in body chemistry and include steroid hormones such as the gonadal or sex steroids, corticosteroids, glucocorticoids, and mineralocorticoids; vitamins of the D group; and the sterols, including cholesterol, the main building block of the steroid hormones in the body. The cardiac glycosides, a group of compounds derived from certain plants, are partly steroids.