| 释义 |
villus
vil·lus V0102800 (vĭl′əs)n. pl. vil·li (vĭl′ī) 1. Biology A minute projection arising from a mucous membrane, especially:a. One of the numerous vascular projections of the small intestine.b. One of the fingerlike projections of the chorion that contribute to the formation of the placenta in mammals.2. Botany A fine, hairlike epidermal outgrowth.
[Latin, shaggy hair.]villus (ˈvɪləs) n (usually plural) , pl villi (ˈvɪlaɪ) 1. (Zoology) zoology anatomy any of the numerous finger-like projections of the mucous membrane lining the small intestine of many vertebrates2. (Anatomy) zoology anatomy any of the numerous finger-like projections of the mucous membrane lining the small intestine of many vertebrates3. (Zoology) any similar membranous process, such as any of those in the mammalian placenta4. (Botany) botany any of various hairlike outgrowths, as from the stem of a moss[C18: from Latin: shaggy hair]vil•lus (ˈvɪl əs)
n., pl. vil•li (ˈvɪl aɪ) 1. any of the fingerlike projections on the surface of certain membranes, esp. on the mucous membrane of the small intestine, functioning to increase the area for the absorption, secretion, or exchange of materials. 2. any of the long, soft, straight hairs covering the fruit, flowers, and other parts of certain plants. [1695–1705; < Latin: shaggy hair, thick nap] vil·lus (vĭl′əs) Plural villi (vĭl′ī) A small projection on the surface of a mucous membrane, especially that of the small intestine.villus(pl. villi) A minute fingerlike projection. Huge numbers line the small intestine, vastly increasing its surface area.Thesaurus| Noun | 1. |  villus - a minute hairlike projection on mucous membranechorionic villus - one of the tiny villi that stick out of the fetal chorion and combine with the mother's uterine tissue to form the placentaappendage, outgrowth, process - a natural prolongation or projection from a part of an organism either animal or plant; "a bony process" |
Translationsvillus
villus1. Zoology anatomy any of the numerous finger-like projections of the mucous membrane lining the small intestine of many vertebrates 2. any similar membranous process, such as any of those in the mammalian placenta 3. Botany any of various hairlike outgrowths, as from the stem of a moss villus[′vil·əs] (anatomy) A fingerlike projection from the surface of a membrane. villus
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" >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.vil·lus, pl. vil·li (vil'ŭs, vil'ī), Do not confuse this word with the adjective villous.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 vesicle or cleft. [L. shaggy hair (of beasts)] villus (vĭl′əs)n. pl. villi (vĭl′ī) 1. Biology A minute projection arising from a mucous membrane, especially:a. One of the numerous vascular projections of the small intestine.b. One of the fingerlike projections of the chorion that contribute to the formation of the placenta in mammals.2. Botany A fine, hairlike epidermal outgrowth.vil·lus, pl. villi (vil'ŭs, -ī) 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 vesicle or cleft.
See also: festooning[L. shaggy hair (of beasts)]villus (vil'us) plural.villi [L., tuft of hair] A small fold or projection of some mucous membranes.arachnoid villus.Arachnoid granulation.chorionic villus.One of the tiny vascular projections of the chorionic surface that become vascular and help to form the placenta. See: embryo for illus.; chorion VILLI OF SMALL INTESTINEintestinal villus.One of the multiple, minute projections of the intestinal mucosa into the lumen of the small intestine. These projections increase the surface area for absorption of water and nutrients; each contains a capillary network and a lacteal. See: illustrationsynovial villus.One of the thin projections of the synovial membrane into the joint cavity.villus (pl. villi) a finger-like outgrowth, as in the lining of the SMALL INTESTINE. Villi effectively increase the surface area of the gut wall and contain - (a) blood vessels for absorption of carbohydrates and amino acids which pass into the hepatic portal SYSTEM
- (b) lacteals which absorb fats into the LYMPHATIC SYSTEM.
vil·lus, pl. villi (vil'ŭs, -ī) Do not confuse this word with the adjective villous.1. Projection surface, especially from a mucous membrane. 2. An elongated dermal papilla projecting into an intraepidermal vesicle or cleft. villus
Related to villus: chorionic villus sampling, chorionic villusWords related to villusnoun a minute hairlike projection on mucous membraneRelated Words- chorionic villus
- appendage
- outgrowth
- process
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