small villus

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• Villus — Vil lus, n.; pl. {Villi}. [L., shaggy hair, a tuft of hair.] 1. (Anat.) One of the minute papillary processes on certain vascular membranes; a villosity; as, villi cover the lining of the small intestines of many animals and serve to increase the …   The Collaborative International Dictionary of English

• villus — ► NOUN (pl. villi) Anatomy ▪ any of numerous minute elongated projections set closely together on a surface, especially in the absorbent lining of the small intestine. DERIVATIVES villous adjective. ORIGIN Latin, shaggy hair …   English terms dictionary

• villus — [vil′əs] n. pl. villi [vil′ī΄] [L, shaggy hair, tuft of hair, var. of vellus, a fleece, WOOL] 1. Anat. any of numerous hairlike or fingerlike vascular processes on certain mucous membranes of the body, as of the small intestine, serving to… …   English World dictionary

• Small intestine — Infobox Anatomy Name = Small intestine Latin = intestinum tenue GraySubject = 248 GrayPage = 1168 Caption = Diagram showing the small intestine Caption2 = Precursor = System = Artery = Vein = Nerve = celiac ganglia, vagus… …   Wikipedia

• villus — /vil euhs/, n., pl. villi /vil uy/. 1. Anat., Zool. one of the minute, wormlike processes on certain membranes, esp. on the mucous membrane of the small intestine, where they serve in absorbing nutriment. 2. Bot. one of the long, soft, straight… …   Universalium

• villus — 1. A projection from the surface, especially of a mucous membrane. If the projection is minute, as from a cell surface, it is termed a microvillus. 2. An elongated dermal papilla projecting into an intraepidermal …   Medical dictionary

• villus — UK [ˈvɪlʌs] / US noun [countable] Word forms villus : singular villus plural villi UK [ˈvɪlaɪ] / US biology 1) one of a large number of small parts that stick out from the inner wall of the small intestine 2) a part like a hair that grows on a… …   English dictionary

• villus — n.; pl. villi one of many short finger like processes that project from some membranous surfaces. Numerous intestinal villi line the small intestine. Each contains a network of blood capillaries and a lacteal. Their function is to absorb the… …   The new mediacal dictionary

• small intestine — Anat. intestine (def. 2). [1760 70] * * * Long, narrow, convoluted tube in which most digestion takes place. It extends 22–25 ft (6.7–7.6 m), from the stomach to the large intestine. The mesentery, a membrane structure, supports it and contains… …   Universalium

• villus —   n. (pl. li ) small vein like outgrowth; soft hair.    ♦ villiform, a. like villus; with velvety surface.    ♦ villose,    ♦ villous, a. bearing soft hairs.    ♦ villosity, n …   Dictionary of difficult words

• villus — noun (plural villi) Etymology: New Latin, from Latin, tuft of shaggy hair more at velvet Date: 1728 a small slender often vascular process: as a. one of the minute finger shaped processes of the mucous membrane of the small intestine that serve… …   New Collegiate Dictionary