C21-steroid hormone biosynthetic pathway mineralocorticoid biosynthetic pathway 2010-04-20T04:01:52Z Mineralocorticoid biosynthesis Mineralocorticoids are a group of C21 steroid hormones synthesized by the adrenal cortex and so named because of their effects on the concentration of sodium as well as potassium and chloride. The group is best exemplified by aldosterone. PW:0000771 mineralocorticoid biosynthetic process pathway vpetri