Pregnenolone |
|
| 5-Pregnen-3-beta-ol-20-one; 5 Pregnen 3 beta ol 20 one | |
| A 21-carbon steroid, derived from CHOLESTEROL and found in steroid hormone-producing tissues. Pregnenolone is the precursor to GONADAL STEROID HORMONES and the adrenal CORTICOSTEROIDS. | |