Pregnenolone

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** An endogenous steroid hormone synthesized from cholesterol, which can act either as a neuroactive steroid or as a prohormone for progestogens, mineralocorticoids, glucocorticoids, androgens, estrogens, and the neuroactive steroids.

**Synonyms:** - 3beta-Hydroxypregn-5-en-20-one - 5-Pregnen-3-beta-ol-20-one - Arthenolone - Bina-Skin - Enelone - Natolone - PREGNENOLONE - Regnosone - Skinostelon - delta5-Pregnenolone