Active transport of Ca45 by the small intestine and its dependence on vitamin D.
D001693:Biological Transport, Active; D002118:Calcium / Q000378:metabolism*; D006801:Humans; D007421:Intestine, Small / Q000502:physiology*; D007422:Intestines; D014807:Vitamin D / Q000378:metabolism*; D014815:Vitamins
D014815:Vitamins; D014807:Vitamin D; D002118:Calcium
CALCIUM/metabolism; INTESTINE, SMALL/physiology; VITAMIN D/metabolism