| 释义 |
pregnenolone
pregnenolone (prɛɡˈnɛnəˌləʊn) n (Biochemistry) a steroid precursor to steroid hormones
pregnenolone
pregnenolone[preg′nen·ə‚lōn] (biochemistry) C21H32O2 A steroid ketone that is formed as an oxidation product of cholesterol, stigmasterol, and certain other steroids. pregnenolone
preg·nen·o·lone (preg-nēn'ō-lōn), A steroid that serves as an intermediate in the biosynthesis of numerous hormones, including progesterone. Serum levels are elevated in a rare form of congenital adrenal hyperplasia. |