《英文msh词典》5 Pregnen 3 beta ol 20 one
[入口词] 5 Pregnen 3 beta ol 20 one
[主题词] Pregnenolone
[英文释义] 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.