A small, finger-like projection from the surface of certain membranes, particularly in the small intestine, that increases surface area for absorption.

The villi in the small intestine play a crucial role in nutrient absorption.

A similar structure found on the surface of the chorion in the placenta, involved in the exchange of nutrients and waste between the mother and fetus.

The chorionic villi are essential for the proper development of the placenta during pregnancy.

A minute, hair- or finger-like projection on the surface of an organism, especially in anatomical or botanical contexts, that increases surface area or aids in absorption.

Under the microscope, each villus on the plant stem could be clearly seen.

villusadjective

Relating to, consisting of, or involving a villus or villi; used before another noun.

Villus length was significantly reduced in the treated mice.