KnowraVitamin ALinked fromLinked fromThe 22 pages that link to Vitamin A, each with the reason it gives.All 22Broader topic 5Related 11Narrower topic 4Compared with 2VitaminBroader topic: Its role in vision makes deficiency especially damaging to the eyes.Fat-soluble vitaminBroader topic: It is the fat-soluble vitamin most directly associated with vision.Frederick Gowland HopkinsBroader topic: Elmer McCollum and Marguerite Davis later identified a fat-soluble growth factor in butterfat as vitamin A.Elmer McCollumBroader topic: McCollum’s feeding studies helped identify a growth-supporting factor in butterfat and egg yolk, later called vitamin A.Marguerite DavisBroader topic: Davis and McCollum’s rat-feeding experiments identified a growth-promoting factor later named vitamin A.