intestinal villi


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villus

 [vil´us] (L.)
a small vascular process or protrusion, as from the free surface of a membrane.
arachnoid villi microscopic projections of the arachnoid into some of the venous sinuses.
chorionic villi see chorionic villi.
intestinal villi multitudinous threadlike projections covering the surface of the mucous membrane lining the small intestine, serving as the sites of absorption of fluids and nutrients.
synovial villi slender projections from the surface of the synovial membrane into the cavity of a joint; called also haversian glands.

in·tes·ti·nal vil·li

[TA]
projections (0.5-1.5 mm long) of the mucous membrane of the small intestine; they are leaf-shaped in the duodenum and become shorter, more finger-shaped, and sparser in the ileum.
Synonym(s): villi intestinales [TA]

intestinal villi

the multitudinous threadlike projections that cover the surface of the mucosa of the small intestine and serve as the sites of absorption (by active transport and diffusion) of fluids and nutrients.

in·tes·ti·nal vil·li

(in-tes'ti-năl vil'ī) [TA]
Projections (0.5-1.5 mm in length) of the mucous membrane of the intestine; they are leaf-shaped in the duodenum and become shorter, more finger-shaped, and sparser in the ileum.
References in periodicals archive ?
05) were observed in broiler chickens after hatching between the control and experimental group with respect to the height, the surface area of intestinal villi and crypt depth in all studied segments of the small intestine in broiler chickens.
Prominent F4/80-positive macrophage infiltration was observed in the lamina propria of intestinal villi.
It has been found that sodium chloride water has a more significant effect on the morphology of the jejunum wall of non-pregnant and pregnant white rats, which is manifested in the pronounced polymorphism of the diameter, shape and length of intestinal villi, in the presence of large amounts of mucus with inclusions of castoff epithelial layers in the intestinal lumen and between villi.
The toxic effect of this drug would lead to destruction of the mucous layer of the intestinal villi which in turn cause a reduction in cell proliferation, that can be explained by the inhibition of manufacturing DNA.
Discuss and explain the difference and relationship between the structure and function of the intestinal villi.
Scanning electron microscopic observations in the intestinal villi in growing White Leghorn and broiler chicken from 1 to 30 days of age.
We analyzed the variance to compare the weight of spleen and thymus, differential count of leukocytes, serum cytokines, number and height of intestinal villi by means of one-way analysis of variance (ANOVA).
The reason is still unknown, but they speculate that perhaps the regrowth of intestinal villi that occurs during recovery from CCV provides the canine parvovirus with ideal conditions for infection.
While insufficient folate can result in fatigue, depression, confusion, anemia, reduced immune function, loss of intestinal villi, and an increase in infections, (1,2,7) it is not totally clear what dangers long-term consumption of folic acid will cause.
On the surface of the relatively well developed intestinal villi, they were clustered.