Definitions for "Microvillus"
(plural, microvilli) Collectively, fine, finger-like projections of the epithelial cells in the lumen of the small intestine that increase its surface area.
pl. microvilli One of many fine, fingerlike projections of the epithelial cells in the lumen of the small intestine that increase its surface area. middle lamella A thin layer of adhesive extracellular material, primarily pectins, found between the primary walls of adjacent young plant cells. mimicry[Gk. mimos, mime] A phenomenon in which one species benefits by a superficial resemblance to an unrelated species. A predator or species of prey may gain a significant advantage through mimicry.
Small, membrane-covered projection on the surface of an animal cell containing a core of actin filaments and various associated proteins. Numerous microvilli are present on the absorptive surface of intestinal epithelial cells, increasing the surface area for transport of nutrients and forming the bruch border.