heart muscle

1. (noun) the muscle tissue of the heart; adapted to continued rhythmic contraction
Synonyms: cardiac muscle
Related Words: SA node, atrioventricular bundle, atrioventricular node, atrioventricular trunk, bundle of His, cardiac pacemaker, muscle, muscular tissue, myocardium, pacemaker, sinoatrial node, truncus atrioventricularis



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