heart valve

  • 51heart failure — a condition in which the pumping action of the heart is inadequate due to damaged heart valves, ventricular muscle, or both. This results in back pressure of blood, with congestion of organs. In left ventricular (or left heart) failure,… …

    The new mediacal dictionary

  • 52heart —   Pu uwai; iho (as of celery, core); i o (as of wood, central part); haka (in deck of cards). Fig.: na au, loko, poli, umauma, manawa.   Also: pu u, pu u koko, mauli, ō ili. See apoplexy, heart ailment, heart attack, overwhelm.    ♦ Valve of the… …

    English-Hawaiian dictionary

  • 53Valve, mitral — One of the four valves of the heart, the mitral valve is situated between the left atrium and the left ventricle. It permits blood to flow one way: from the left atrium into the left ventricle. The mitral valve has two flaps (cusps) and so is… …

    Medical dictionary

  • 54Valve, pulmonary — One of the four valves in the heart, the pulmonary valve stands at the opening from the right ventricle in the pulmonary artery trunk. It lets blood head in the right direction (toward the lungs) and keeps it from sloshing back from the pulmonary …

    Medical dictionary

  • 55heart — (Order Cladocera): In circulatory system, typically short, muscular pumping organ located anterior to brood chamber in trunk. Blood enters heart through single pair of ostia and is pumped anteriorly into a sinus, although certain predatory water… …

    Crustacea glossary

  • 56Valve, bicuspid — One of the four valves of the heart, this one is situated between the left atrium and the left ventricle. It permits blood to flow one way only, from the atrium into the ventricle. The valve is more commonly called the mitral valve because its… …

    Medical dictionary

  • 57valve */ — UK [vælv] / US noun [countable] Word forms valve : singular valve plural valves 1) the part of a machine or piece of equipment that opens and closes in order to control the flow of air or liquid 2) the part of an organ or tube in your body that… …

    English dictionary

  • 58valve — I (New American Roget s College Thesaurus) n. damper, cutoff, cock, butterfly, pallet, poppet; ventil, side valve; plug, piston, cusp. See closure. II (Roget s IV) n. Syn. flap, lid, plug; see device 1 , pipe 1 . Types of valves include:… …

    English dictionary for students

  • 59valve — noun (C) 1 a part of a tube or pipe that opens and shuts like a door to control the flow of liquid, gas, air etc passing through it: the valves of the heart 2 the part on a trumpet 1 (1) or similar musical instrument that you press to change the… …

    Longman dictionary of contemporary English

  • 60valve —   Pani; pepeiao (of the heart); a apau (of a vein); kuapu u (as of clams) …

    English-Hawaiian dictionary