atrioventricular

adj. pertaining to an atrium of the heart or a ventricle (Medicine)

Atrioventricular (having to do with an atrium and ventricle) can refer to:Left atrioventricular openingAtrioventricular (band)Atrioventricular fistulaAtrioventricular nodeThe term "Atrioventricular valves" is used to describe the mitral valve and tricuspid valve.
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Adjective
1. relating to or affecting the atria and ventricles of the heart; "atrioventricular disease"
(synonym) auriculoventricular
(pertainym) atrium

adjective
referring to the atria and ventricles
atrioventricular bundle or AV bundle or bundle of His = bundle of modified cardiac muscle which conducts impulses from the atrioventricular node to the septum and then divides to connect with the ventricles
atrioventricular groove = groove round the outside of the heart, showing the division between the atria and ventricles
atrioventricular node or AV node = mass of conducting tissue in the right atrium, which continues as the bundle of His and passes impulses from the atria to the ventricles

See AV node.

atrioventricular
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