| valve of coronary sinus | 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) |
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| valve of foramen ovale | A fold projecting into the left atrium from the margin of the foramen ovale in the foetus; when, with beginning inspiration, the blood pressure within the left atrium increases, the valve closes and its edges become adherent to the margin of the foramen ovale, occluding it. Synonym: valvula foraminis ovalis, falx septi, valve of oval foramen. (05 Mar 2000) |
| valve of inferior vena cava | 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) |
| valve of navicular fossa | 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) |
| valve of oval foramen | A fold projecting into the left atrium from the margin of the foramen ovale in the foetus; when, with beginning inspiration, the blood pressure within the left atrium increases, the valve closes and its edges become adherent to the margin of the foramen ovale, occluding it. Synonym: valvula foraminis ovalis, falx septi, valve of oval foramen. (05 Mar 2000) |
| valve of pulmonary trunk | <anatomy, cardiology> The heart valve that divides the right ventricle and the pulmonary artery. The pulmonic valve opens when the right ventricle contracts allowing blood to flow into the pulmonary artery. The pulmonic valve on closure prohibits the backwash of unoxygenated blood into the right ventricle. The pulmonic valve has 3 valve cusps. (27 Sep 1997) |
| valve of Varolius | The bilabial prominence of the terminal ileum into the large intestine at the caecocolic junction as seen in cadavers; in the living individual it appears as a truncated cone with a star-shaped orifice. Synonym: valva ileocaecalis, Bauhin's valve, ileocaecal eminence, ileocolic valve, Tulp's valve, Tulpius' valve, valve of Varolius. (05 Mar 2000) |
| valve of vermiform appendix | 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) |
| valve of Vieussens | A prominent valve in the great cardiac vein where it turns around the obtuse margin to become the coronary sinus. (05 Mar 2000) |
| valve-shell | <zoology> Any fresh water gastropod of the genus Valvata. Source: Websters Dictionary (01 Mar 1998) |
| valveless | Without valves; denoting certain veins, such as the portal, that are not provided with valves as are most of the veins. (05 Mar 2000) |
| valviform | Valve-shaped. (05 Mar 2000) |
| valvoplasty | Surgical reconstruction of a deformed cardiac valve, for the relief of stenosis or incompetence. Synonym: valvuloplasty. Origin: valve + G. Plastos, formed (05 Mar 2000) |
| valvotomy | 1. Cutting through a stenosed cardiac valve to relieve the obstruction. Synonym: valvulotomy. 2. Incision of a valvular structure. Origin: valve + G. Tome, incision (05 Mar 2000) |
| valvotomy knife | A knife used in mitral or venous valvular surgery; also called valvulotome. (05 Mar 2000) |
| valvular |
Relating to an anatomical valve, in this case a valve of the heart.
Ãâó: www.bdid.com/termsv.htm
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| valid |
Of taxonomic names and epithets: Published in accordance with several articles of the Code of Nomenclature; such names may be legitimate or illegitimate. (22)
Ãâó: ppathw3.cals.cornell.edu/glossary/Defs_V.htm
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| valve |
In nematodes: A structure that regulates the rate and/or direction of intake of materials (eg, the esophago-intestinal valve or cardia). (14)
Ãâó: ppathw3.cals.cornell.edu/glossary/Defs_V.htm
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| validity |
The extent to which a measurement instrument or test accurately measures what it is supposed to measure.
Ãâó: www.epa.gov/evaluate/glossary/v-esd.htm
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| valvulae |
Processes from the valvifers to form the body of the ovipositor (terebra) and the ovipositor sheath (third valvulae) in Hymenoptera.
Ãâó: www.pestmanagement.co.uk/lib/glossary/glossary_v.s...
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| Val | a long depression in the surface of the land that usually contains a river |
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| Val | an infection of the lungs and skin characterized by excessive sputum and nodules |
| Val | tall graceful deciduous California oak having leathery leaves and slender pointed acorns |
| Val | of valleys and mountain meadows of western United States |
| Val | tall graceful deciduous California oak having leathery leaves and slender pointed acorns |
| Val | eelgrass |
| Val | submerged aquatic plant with ribbonlike leaves |
| Val | the French defeated the Austrian and Prussian troops in 1792 (with a famous cannonade from the French artillery) |
| Val | French ruling dynasty from 1328 to 1589 |
| Val | the qualities of a hero or heroine |
| Val | having or showing valor |
| Val | with valor |
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