Zinc deficiency has been recognized to be seen in patients with cystic fibrosis, but I do not think it is associated with the anorexia in that condition. And it will also affect growth failure. The congenital condition that people can be born with is called tacra-dermatitis enteropathica. It s an autosomal recessive disorder in which there is a defect in zinc absorption. These patients will present, usually in the first six months of life, first with chronic Selenium deficiency.
Selenium is another important trace element.
It s seen in patients with chronic diarrhea, because it, like zinc, is typically absorbed in the duodenum and jejunum. There is a The only one I didn t include is copper. Copper deficiency, as you know, can be associated with a couple of things. One, it can be associated with a microcytic anemia. Just remember that copper and iron are very closely related to each other and that copper is necessary for the reduction of ferric to ferrous iron.