ATRIOVENTRICULAR VALVE

Pronunciation (US):

(GB):

 Dictionary entry overview: What does atrioventricular valve mean? 

• ATRIOVENTRICULAR VALVE (noun)
  The noun ATRIOVENTRICULAR VALVE has 1 sense:

1. either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium

  Familiarity information: ATRIOVENTRICULAR VALVE used as a noun is very rare.

 Dictionary entry details 

• ATRIOVENTRICULAR VALVE (noun)

Sense 1

Meaning:

Either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium

Classified under:

Nouns denoting body parts

Hypernyms ("atrioventricular valve" is a kind of...):

cardiac valve; heart valve (a valve to control one-way flow of blood)

Meronyms (parts of "atrioventricular valve"):

papillary muscle (any of several muscles associated with the atrioventricular valves)

Hyponyms (each of the following is a kind of "atrioventricular valve"):

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)

 Context examples 

Any of the four heart valves, including the two atrioventricular valves and the two semilunar valves, that regulate the flow of blood through the chambers of the heart.

(Cardiac Valve, NCI Thesaurus)

The latter is characterized by defects in the atrial and ventricular septa and a common atrioventricular valve.

(Complete Atrioventricular Septal Defect with Tetralogy of Fallot, NCI Thesaurus)

The disease often involves the atrioventricular valves, leading to valvular regurgitaion.

(Endomyocardial Fibrosis, NCI Thesaurus)