title: Vitamin D.
mesh_terms: D015652:25-Hydroxyvitamin D 2; D000818:Animals; D001692:Biological Transport / Q000187:drug effects; D002117:Calcitriol / Q000378:metabolism; D002118:Calcium / Q000378:metabolism; D004872:Ergocalciferols / Q000031:analogs & derivatives / Q000096:biosynthesis; D006801:Humans; D007223:Infant; D007422:Intestines / Q000648:ultrastructure; D008871:Microvilli / Q000378:metabolism; D010710:Phosphates / Q000378:metabolism; D012279:Rickets / Q000145:classification; D014807:Vitamin D / Q000096:biosynthesis / Q000378:metabolism / Q000494:pharmacology / Q000502:physiology
chemical_list: D004872:Ergocalciferols; D010710:Phosphates; D014807:Vitamin D; D015652:25-Hydroxyvitamin D 2; D002117:Calcitriol; D002118:Calcium