Villus, in anatomy any of the small, slender, vascular projections that increase the surface area of a membrane. Important villous membranes include the placenta and the mucous-membrane coating of the small intestine.

Intestinal villi (sg.: villus) are small, finger-like projections that extend into the lumen of the small intestine. Each villus is approximately 0.5–1.6 mm in length (in humans), and has many microvilli projecting from the enterocytes of its epithelium which …

: one of the minute finger-shaped processes of the mucous membrane of the small intestine that serve in the absorption of nutriment. : one of the branching processes of the surface of the …

Apr 6, 2025 · Villi are tiny, flexible projections that line the lumen of the small intestine (the 9- to 16-foot section of the intestine situated between the stomach and large intestine). Villi are extremely small, ranging from 0.5 to 1 millimeters in length (0.02 to 0.04 inch).

Nov 5, 2024 · Discover the structure & adaptations of the small intestine for IGCSE Biology. This revision note explains how villi structure maximises nutrient absorption.

Villus (Latin: "shaggy hair", pl.: villi) may refer to: Intestinal villus, refers to any one of the small, finger-shaped outgrowths of the epithelial lining of the wall of the intestine. Clusters of projections are referred as intestinal villi.

Nov 6, 2024 · Villi are tiny, hair-like projections and tissues composed of the cells lining your small intestine's inside walls. They serve a critical role in digestion, absorbing nutrients from food and...

Evaluating the villus – from normal to abnormal. This brief review emphasises the complexity of the structural, cellular, non-cellular, and gene-based aspects of villus-orientated biology, exemplifying, over the last 50 years, the vast expansion in …

Structure of the villi —The essential parts of a villus are: the lacteal vessel, the bloodvessels, the epithelium, the basement membrane, and the muscular tissue of the mucosa, all being supported and held together by retiform lymphoid tissue:

What are Villi or Define Villi? Villus, singular villi, can be observed as thin, slender, vascular projections in anatomy that are responsible for increasing a membrane's surface area. The placenta and the mucous membrane lining of the small intestine are major villous membranes.