. "The chemical reactions and pathways resulting in the formation of C21-steroid hormones, steroid compounds containing 21 carbons which function as hormones." . . . . . "C21-steroid hormone biosynthetic process" . "C21-steroid hormone anabolism" . "C21-steroid hormone biosynthesis" . "C21-steroid hormone formation" . "C21-steroid hormone synthesis" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .