cardiac muscle

/ˌkɑrdiˈæk ˌmʌsəl/

Definitions of cardiac muscle

1. noun

   the muscle tissue of the heart; adapted to continued rhythmic contraction
   synonyms: heart muscle

   types:

   SA node, cardiac pacemaker, pacemaker, 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 network, Purkinje's system, Purkinje's tissue

   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

   type of:

   muscle, muscular tissue

   animal tissue consisting predominantly of contractile cells