MeSH definition : 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.;
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.