atrioventricular valve


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to atrioventricular valve: atrioventricular node, tricuspid valve
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.atrioventricular valve - either of two heart valves through which blood flows from the atria to the ventriclesatrioventricular valve - either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium
papillary muscle - any of several muscles associated with the atrioventricular valves; "the papillary muscles contract during systole to prevent regurgitation of blood into the atria"
bicuspid valve, left atrioventricular valve, mitral valve - valve with two cusps; situated between the left atrium and the left ventricle
right atrioventricular valve, tricuspid valve - valve with three cusps; situated between the right atrium and the right ventricle; allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts
cardiac valve, heart valve - a valve to control one-way flow of blood
References in periodicals archive ?
Congestive heart failure associated with myxomatous degeneration of the left atrioventricular valve in a parakeet.
Inset, high magnification ventral view of heart showing labeling of atrioventricular valve leaflets.
Two-thirds of patients with DCM, especially those over 55 years of age, have persistently low arterial pressure, ventricular arrhythmias and/or atrioventricular valve incompetence and die within 5 years of their first symptom.
The cardiac findings indicated right isomerism with complex and severe cardiac malformations, including a morphologically common atrium, common atrioventricular valve, double inlet right ventricle, total anomalous pulmonary venous drainage, pulmonary outflow obstruction, pulmonary atresia, and major aortopulmonary collaterals from the descending aorta.
Also in the bicaval technique, with the protection of the right atrial anatomy, the atrioventricular valve function is also protected.
Atrioventricular Valve Regurgitation in Fetuses with Atrioventricular Canal Defects does not Progress During Mid- to Late Pregnancy for Most Babies Atrioventricular valve regurgitation (AVVR) influences morbidity and mortality in patients with atrioventricular canal defect (AVC).