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The intestinal villi are much smaller than any of the circular folds in the intestine. Villi increase the internal surface area of the intestinal walls making available a greater surface area for absorption. An increased absorptive area is useful because digested nutrients (including monosaccharide and amino acids) pass into the semipermeable ...
Patients with intestinal lymphangiectasia present with a range of symptoms, significantly influenced by the extent of protein loss. [4] Chronic diarrhea and malabsorption are common symptoms. [ 4 ] The loss of protein can lead to edema, particularly in the legs and abdomen, due to decreased oncotic pressure. [ 4 ]
Goblet cells secrete mucus, which lubricates the passage of food along and protects the intestinal wall from digestive enzymes. In the small intestine, villi are folds of the mucosa that increase the surface area of the intestine. The villi contain a lacteal, a vessel connected to the lymph system that aids in the removal of lipids and tissue ...
Microvillus inclusion disease, previously known as Davidson's disease, congenital microvillus atrophy and, less specifically, microvillus atrophy (note: microvillus is often misspelled as microvillous), is a rare genetic disorder of the small intestine that is inherited in an autosomal recessive pattern. [1] [2]
While the exact cause or causes are unknown, Crohn's disease seems to be due to a combination of environmental factors and genetic predisposition. [102] Crohn's is the first genetically complex disease in which the relationship between genetic risk factors and the immune system is understood in considerable detail. [103]
Autoimmune enteropathy is a rare autoimmune disorder characterized by weight loss from malabsorption, severe and protracted diarrhea, and autoimmune damage to the intestinal mucosa. [1] Autoimmune enteropathy typically occurs in infants and younger children however, adult cases have been reported in literature. [ 9 ]
Duodenal lymphocytosis, sometimes called lymphocytic duodenitis, lymphocytic duodenosis, or duodenal intraepithelial lymphocytosis, is a condition where an increased number of intra-epithelial lymphocytes is seen in biopsies of the duodenal mucosa when these are examined microscopically.
Symptoms of intestinal ischemia vary and can be acute (especially if embolic), [11] subacute, or chronic. [12] Case series report prevalence of clinical findings and provide the best available, yet biased, estimate of the sensitivity of clinical findings. [13] [14] In a series of 58 patients with intestinal ischemia due to mixed causes: [14]