3d image of pregnenolone skeletal formula

pregnenolone endogenous steroid precursor metabolic intermediate biosynthesis steroid hormones progestogens androgens estrogens glucocorticoids mineralocorticoids biologically active neurosteroid medication supplement hormone hormonal therapy function action endocrine endocrinology level prohormone analogue steroidal dhea sulfate neuroprotective myelinization cognitive memory schizophrenia neurosteroid activity endocannabinoid negative allosteric modulator neurotransmitter receptor agonist neuromodulatory nervous system brain signaling neuroscience 3d