hyperabsorption

hyperabsorption

 [hi″per-ab-sorp´shun]
increased intestinal absorption of a substance.
References in periodicals archive ?
Those patients with genetic hyperabsorption of iron will require periodic phlebotomies indefinitely to maintain their iron stores at a safe level.
In GIT this altered protein causes decreased secretion of chloride ion and hyperabsorption of water resulting in thick mucous fecal material.
(1,2) Mutations of the CF transmembrane conductance regulator (CFTR) gene lead to a defective secretion of chloride and a hyperabsorption of sodium.
Hypervitaminosis D mediates compensatory [Ca.sup.2+] hyperabsorption in TRPV5 Knockout mice.
Targeted deletion of hepcidin gene in mice or mutations in human gene result in elevated body iron stores, presumably due to hyperabsorption associated with decreased iron in tissue macrophages (39).
Hereditary hemochromatosis, one of the most common genetic diseases in Caucasians, is characterized by excessive iron deposition secondary to hyperabsorption of dietary iron and can potentially can lead to multiorgan failure if untreated.
On the other hand, a series of gastrointestinal disturbances such as inflammatory bowel disease, small bowel resection, or jejunoileal bypass (connection of the duodenum to the colon) may set up the patient for hyperabsorption of oxalate from dietary sources and increase the incidence of stones.
Increased intestinal vitamin D receptor in genetic hypercalciuric rats: a cause of intestinal calcium hyperabsorption. J Clin Investig 1993;91: 661-7.