5 Pregnen 3 beta ol 20 one
《英文msh詞典》5 Pregnen 3 beta ol 20 one
[入口詞] 5 Pregnen 3 beta ol 20 one
[主題詞] Pregnenolone
[英文釋義] 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.