vegan venous 588 ve䡠gan (ve¯′ga˘n) Strict vegetarian; i.e., one who consumes no animal or dairy products. veg䡠e䡠tar䡠i䡠an (vej′e˘-tar′e¯-a˘n) One whose diet is restricted to foods of vegetable origin, excluding primarily animal meats. Cf. vegan. veg 䡠 e 䡠 ta 䡠 tive bac 䡠 te 䡠 ri 䡠 a (vejı´e˘-ta¯-tiv bak-te¯rı´e¯-a˘) The growing form of bacteria. ve䡠hi䡠cle (ve¯′i-ke˘l) 1. An excipient or a men- struum; a substance, usually without therapeutic action, used as a medium to give bulk for the administration of medicines. 2. An inanimate substance by or on which an infectious agent passes from an infected to a susceptible host. [L. vehiculum, a conveyance, fr. veho, to carry] A veil (va¯l) 1. SYN velum (1). 2. SYN caul (1). [L. velum] vein (va¯n) [TA] Blood vessel carrying blood toward the heart; postnatally, all veins except the pulmonary carry dark unoxygenated blood. [L. vena] vel䡠o䡠car䡠di䡠o䡠fa䡠cial syn䡠drome (ve¯´ı lo¯-kahrı´de¯-o¯-fa¯´ısha˘l sinı´dro¯m) Disorder with hypernasal speech, dysmorphic facial features (long midface, cylindric nose, downward turned corners of mouth), and cardiac abnormalities. B veneers: (A) teeth prepared for indirect veneers; (B) veneers cemented in place ve䡠loc䡠i䡠ty (ve˘-los′i-te¯) Rate and direction of enamel porcelain movement. [L. velocitas, fr. velox (veloc-), quick, swift] dentin porcelain vel䡠o䡠pha䡠ryn䡠ge䡠al seal (ve¯´ılo¯-fa˘-rinı´je¯- opaque porcelain a˘l se¯l) Closure between oral and nasopharyngeal cavities. metal ve䡠lum, pl. ve䡠la (ve¯′lu˘m, -la˘) 1. Any struc- ture resembling a veil or curtain. SYN veil (1), velamen. 2. SYN caul (1). 3. SYN greater omentum. 4. Any serous membrane or membranous envelope or covering. [L. veil, sail] ve䡠lum pa䡠la䡠ti䡠num (ve¯′lu˘m pal′a˘-tı¯′nu˘m) SYN porcelain margin soft palate. ve䡠nec䡠ta䡠si䡠a (ve¯′nek-ta¯′ze¯-a˘) SYN phlebectasia. ve䡠neer (ve˘-ne¯r′) 1. In dentistry, a layer of tooth-colored material, usually porcelain or composite resin, attached to and covering surface of a metal crown or natural tooth structure. 2. A thin surface layer laid over a base of common material. See this page. [Fr. fournir, to furnish] ve䡠neer crown (ve˘n-e¯r′ krown) Metal tooth crown with a thin layer of porcelain covering all or part of its surface. See this page. SYN porcelain fused to metal crown, porcelain veneer crown, veneered metal crown, ceramo metal crown. ve䡠neer䡠ed met䡠al crown (ve˘n-e¯rd′ me′ metal margin layers in construction of ceramometal crown ven䡠i䡠punc䡠ture (ven′i-pu˘ngk′shu˘r) The puncture of a vein, usually to withdraw blood. ve䡠nog䡠ra䡠phy (ve¯-nog′ra˘-fe¯) Radiographic veneer crown. demonstration of a vein, after the injection of contrast medium. [veno- + G. grapho¯, to write] ve䡠ne䡠re䡠al dis䡠ease (ve˘-ne¯r′e¯-a˘l di-ze¯z′) ve䡠nous (ve¯′nu˘s) Relating to a vein or veins. ta˘l krown) SYN SYN sexually transmitted disease. [L. venosus]