English dictionary

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English *noun*: heart muscle
1.	heart muscle (body) the muscle tissue of the heart; adapted to continued rhythmic contraction
		Synonyms	cardiac muscle
		Broader (hypernym)	muscle, muscular tissue
		Narrower (hyponym)	atrioventricular bundle, atrioventricular node, atrioventricular trunk, bundle of His, cardiac pacemaker, myocardium, pacemaker, papillary muscle, Purkinje fiber, Purkinje network, Purkinje's system, Purkinje's tissue, SA node, sinoatrial node, truncus atrioventricularis
		Part meronym	heart, pump, ticker

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