lactase deficiency

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Related to lactase deficiency: lactose intolerance, Lactase enzyme
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Noun1.lactase deficiency - congenital disorder consisting of an inability to digest milk and milk products; absence or deficiency of lactase results in an inability to hydrolyze lactose
References in periodicals archive ?
Lactase deficiency and lactose malabsorption may lead to lactose intolerance.
Individuals with lactase deficiency often experience an improvement in various gastrointestinal symptoms when they avoid cow's milk and other lactose-containing foods.
These tests cover genes associated with, but are not limited to, celiac disease and lactase deficiency for abdominal pain, and coenzyme Q10 deficiency and dystonia associated with migraines.
Secondary (acquired) lactase deficiency may occur as a complication of intestinal diseases, such as enteritis, gluten-sensitive enteropathy, or intestinal bacterial overgrowth (Huether, 2016).
Lactase deficiency is largely inherited (congenital and familial deficiency), though a condition known as secondary lactase deficiency can result from inadequate lactase production and can be caused by a problem with the small intestine, such as surgery, or another condition, such as Crohn's disease, ulcerative colitis, chemotherapy, celiac disease, or gastroenteritis.
The study finds no evidence of cellular intestinal inflammation, lactase deficiency, or "leaky gut" specific to autistic children with GI symptoms, according to the new research, led by Timothy Buie, MD, Rafail Kushak, PhD, and Harland Winter, MD, of MassGeneral Hospital for Children, Boston.
Lactase deficiency is inherited as an autosomal recessive trait.
People like you who have milk intolerance have lactase deficiency, hence, the lactose in the milk you ingest passes as is to the colon where it is fermented by bacteria.
An AAP statement states that soy formulas are indicated for congenital lactase deficiency and galactosemia, but there is not enough evidence to recommend them for colic.
The severity of the symptoms depends on the degree of lactase deficiency.
Lactose intolerance, which results from a lactase deficiency, can cause abdominal pain, gas, nausea, and diarrhea after you consume dairy products.