| MVA | mechanical ventricular assistance; mevalonic acid; mitral valve area; motor vehicle accident |
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| MVD | Doctor of Veterinary Medicine; microvascular decompression; mitral valve disease; multivessel corona... |
| MVF | mitral valve flow |
| MVL | mitral valve leaflet |
| MVO | maximum venous outflow; mitral valve opening or orifice |
| valve-shell | <zoology> Any fresh water gastropod of the genus Valvata. Source: Websters Dictionary (01 Mar 1998) |
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| venous valve | A fold of the lining layer of a vein to prevent a reflux of blood. Synonym: valvula venosa. (05 Mar 2000) |
| Gerlach's valve | A fold of mucous membrane, simulating a valve, sometimes found at the origin of the vermiform appendix. Synonym: Gerlach's valve, valvula processus vermiformis. (05 Mar 2000) |
| Carpentier-Edwards valve | A bioprosthetic valve made from preserved porcine aortic valves. (05 Mar 2000) |
| vesicoureteral valve | <anatomy, urology> A lock mechanism in the wall of the intravesical portion of the ureter that normally prevents urinary reflux. (21 Jun 2000) |
| reducing valve | A valve designed to lower the pressure of a gas coming from a cylinder containing compressed gas under high pressure. (05 Mar 2000) |
| Vieussens' valve | The thin layer of white matter stretching between the two superior cerebellar peduncles, forming the roof of the superior recess of the fourth ventricle. Synonym: velum medullare superius, anterior medullary velum, Vieussens' valve. (05 Mar 2000) |
| caval valve | An endocardial fold extending from the anterior inferior margin of the inferior vena cava to the anterior part of the limbus fossa ovalis. Synonym: valvula venae cavae inferioris, caval valve, eustachian valve, sylvian valve. (05 Mar 2000) |
| Mercier's valve | An occasional fold of mucosa of the bladder partially occluding the ureteral orifice. (05 Mar 2000) |
| right atrioventricular valve | <anatomy> This heart valve, named for its three cusps (leaflets), divides the right atrium and the right ventricle. When the right atrium contracts blood flows through the tricuspid valve into the right ventricle. On closure, the tricuspid prohibits the backflow of blood into the right atrium. (19 Jan 1998) |
| Guerin's valve | A fold of mucous membrane sometimes found in the root of the navicular fossa of the urethra. Synonym: valvula fossae navicularis, Guerin's fold, Guerin's valve. (05 Mar 2000) |
| Rosenmuller's valve | A fold of mucous membrane guarding the lower opening of the nasolacrimal duct. Synonym: plica lacrimalis, Bianchi's valve, Hasner's fold, Hasner's valve, Huschke's valve, Rosenmuller's valve. (05 Mar 2000) |
| congenital absence of pulmonary valve | <radiology> BIG central pulmonary arteries, big RV (12 Dec 1998) |
| congenital valve | An abnormal lining fold obstructing a passage; e.g., of a mucous membrane in the urethra. (05 Mar 2000) |
| coronary valve | A delicate fold of endocardium at the opening of the coronary sinus into the right atrium. Synonym: valvula sinus coronarii, coronary valve, thebesian valve. (05 Mar 2000) |