HEART MUSCLE

Pronunciation (US):

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 Dictionary entry overview: What does heart muscle mean? 

• HEART MUSCLE (noun)
  The noun HEART MUSCLE has 1 sense:

1. the muscle tissue of the heart; adapted to continued rhythmic contraction

  Familiarity information: HEART MUSCLE used as a noun is very rare.

 Dictionary entry details 

• HEART MUSCLE (noun)

Sense 1

Meaning:

The muscle tissue of the heart; adapted to continued rhythmic contraction

Classified under:

Nouns denoting body parts

Synonyms:

cardiac muscle; heart muscle

Hypernyms ("heart muscle" is a kind of...):

muscle; muscular tissue (animal tissue consisting predominantly of contractile cells)

Hyponyms (each of the following is a kind of "heart muscle"):

cardiac pacemaker; pacemaker; SA node; sinoatrial node (a specialized bit of heart tissue that controls the heartbeat)

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

atrioventricular bundle; atrioventricular trunk; bundle of His; truncus atrioventricularis (a bundle of modified heart muscle that transmits the cardiac impulse from the atrioventricular node to the ventricles causing them to contract)

atrioventricular node (a node of specialized heart muscle located in the septal wall of the right atrium; receives impulses from the sinoatrial node and transmits them to atrioventricular bundle)

myocardium (the middle muscular layer of the heart wall)

Purkinje fiber (a specialized cardiac muscle fiber that is part of the Purkinje network)

Purkinje's system; Purkinje's tissue; Purkinje network (a network of Purkinje fibers that carry the cardiac impulse from the atrioventricular node to the ventricles of the heart and causes them to contract)

Holonyms ("heart muscle" is a part of...):

heart; pump; ticker (the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body)

 Context examples 

They have made significant strides in reliably engineering human heart muscle that mimics adult myocardium.

(Early stimulation improves performance of bioengineered human heart cells, National Institutes of Health)

A disease of the heart muscle or myocardium proper.

(Cardiomyopathy, NCI Thesaurus)

It's also used to get information about the pumping ability of the heart muscle.

(Cardiac Catheterization, NCI Thesaurus)

Your heart muscle needs the oxygen that the blood carries.

(Angina, NIH: National Heart, Lung, and Blood Institute)

As a result, the heart muscle can't get the blood or oxygen it needs.

(Coronary Artery Disease, NIH: National Heart, Lung, and Blood Institute)

A blockage that is not treated within a few hours causes the affected heart muscle to die.

(Heart Attack, NIH: National Heart, Lung, and Blood Institute)

A procedure that obtains pictures that reflect blood flow in the heart muscle.

(Myocardial Perfusion Imaging, NCI Thesaurus/CDISC)

Lanoxin helps the heart work normally by controlling the amount of calcium that goes into the heart muscle.

(Lanoxin, NCI Dictionary)

A disease of the heart muscle or myocardium proper whose cause is unknown.

(Idiopathic Cardiomyopathy, NCI Thesaurus)

Cardiomyopathy is the name for diseases of the heart muscle.

(Cardiomyopathy, NIH: National Heart, Lung, and Blood Institute)