Medical Definition of 25–hydroxycholecalciferol
: a sterol C27H44O2 that is a metabolite of cholecalciferol formed in the liver, is the circulating form of vitamin D, and has some activity in maintaining calcium homeostasis and preventing rickets
Seen and Heard
What made you want to look up 25–hydroxycholecalciferol? Please tell us where you read or heard it (including the quote, if possible).