The formation of steroids; commonly referring to the biological synthesis of steroid hormones, but not to the production of such compounds in a chemical laboratory. ... Origin: steroid + G. Genesis, production ... (05 Mar 2000) ... 
(stә-roi″do-jen´ә-sis) production of steroids, as by the adrenal glands.
Type: Term Pronunciation: stēr-oy′dō-jen′ĕ-sis, ster′ Definitions: 1. The formation of steroids; commonly refers to the biologic synthesis of steroid hormones, but not to the production of such compounds in a chemical laboratory.
the formation of steroids, as by the adrenal cortex, testes, and ovaries.