villous

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villous

[′vil·əs]
(botany)
Having a surface covered with long, soft, shaggy hairs.
References in periodicals archive ?
However, our results show the role of apoptosis in villous atrophy in celiac disease.
Another marker which has shown to correlate well to villous atrophy is IgA F-actin antibodies (AAA).
During the first year alone, there was a total of 125 incident cancers in the villous atrophy cohort, for a hazard ratio of 5.
These findings suggest a diagnosis of refractory celiac disease, which is characterized by persistent villous atrophy with an increase of intraepithelial lymphocytes in the small bowel while the patient is on a long-term gluten-free diet.
The duodenum showed marked mucosal distortion with villous atrophy, ulceration, acute inflammation, and poorly formed granulomas (Fig.
Only a minority of patients had mild histological changes (Marsh type II and IIIa); most patients showed severe villous atrophy (Marsh IIIb or IIIc).
Chronic gastrointestinal symptoms persisted for 12 weeks before endoscopy, when variable crypt hyperplasia and villous atrophy were noted--characteristic findings in small bowel biopsies of patients with Cyclospora infection (5).
With positive serologic results and a biopsy that shows the characteristic findings of intraepithelial lymphocytosis, crypt hyperplasia, and villous atrophy, a presumptive diagnosis of CD can be made.
CD patients with positive serum EmA and/or anti-tTG assay results clearly showed more severe intestinal mucosal lesions; severe or total villous atrophy (grade 3b or 3c) was seen in 25% and 35% of this group, respectively (vs seronegative CD patients, P <0.
62) These individuals often demonstrate various histopathologic features on GI biopsy, including villous atrophy and crypt hyperplasia, as well as prominent epithelial apoptosis and nonspecific inflammation (in both small and large bowel).
Most celiac disease patients (90%) will have a Marsh III lesion on biopsy, which includes partial, subtotal, and total villous atrophy.
The histopathologic findings were classified according to internationally accepted criteria as normal mucosa, partial villous atrophy (slight, moderate, or severe), and subtotal villous atrophy (22).