Atrioventricular
of or relating to the atria and ventricles of the heart.
abbreviation: av, a-v.
adjective (anatomy)
of, relating to, or affecting both the atria and the ventricles of the heart: atrioventricular disease
atrioventricular a·tri·o·ven·tric·u·lar (ā’trē-ō-věn-trĭk’yə-lər)
adj.
abbr. a-v
of or relating to the atria and the ventricles of the heart.
Read Also:
- Atrioventricular block
atrioventricular block atrioventricular block n. impairment of the normal conduction of impulses between the atria and the ventricles.
- Atrioventricular bundle
a bundle of specialized muscle fibers regulating the heartbeat by conducting impulses from the right atrium to the ventricles. atrioventricular bundle n. see atrioventricular trunk.
- Atrioventricular canal
atrioventricular c-n-l atrioventricular c-n-l n. the c-n-l in the embryonic heart joining the atrium to the ventricle.
- Atrioventricular canal cushion
atrioventricular c-n-l cushion atrioventricular c-n-l cushion n. either of a pair of mounds of embryonic connective tissue covered by endothelium, bulging dorsally and ventrally into the embryonic atrioventricular c-n-l, eventually growing together and dividing the c-n-l into right and left atria. also called endocardial cushion.
- Atrioventricular conduction
atrioventricular conduction atrioventricular conduction n. abbr. forward conduction of the cardiac impulse from the atria to ventricles via the atrioventricular node, represented in an electrocardiogram by the p-r interval.