Definitions for "Pregnenolone"
A precursor hormone made primarily in the adrenal glands, but also in the brain, liver, skin, and ovaries. It can convert to DHEA and progesterone and all the adrenal steroid hormones, including testosterone and estrogen.
A hormone that may be converted to other hormones like DHEA. Like other hormones, pregnenolone is produced in ample qualities when young, but begins to decline with age.
a precursor hormone synthesized from cholesterol, principally in the adrenal glands, but also in the liver, skin, brain, testicles, ovaries, and retina of the eyes. Also called pregenolone ( source)