it14spr102.2cc15T8 9.txt

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Anonymous
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256779
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it14spr102.2cc15T8 9.txt
Updated:
2014-01-15 18:47:24
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profmwinston
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  1. ´╗┐Merging cells performing as a unit. In the heart they are electrically joined
    FUNCTIONAL SYNCYTIUM
  2. Muscle fibers of atrium electrically joined to perform as a unit
    ATRIAL SYNCYTIUM
  3. Muscle fibers of ventricles joined electrically to perform as a unit
    VENTRICULAR SYNCYTIUM
  4. System of specialized cardiac muscle fibers that conduct cardiac impulses from the sino-atrial node into the myocardium
    CARDIAC CONDUCTION SYSTEM
  5. Specialized tissue in the wall of the right atrium that initiates cardiac cycles; these fibers are continuous with those of the atrial syncytium
    SINO-ATRIAL NODE
  6. The sinoatrialnode(SA) has rhythmic activity that generates heart contractions thus lending it this name
    PACEMAKER
  7. mass of muscle fibers in the interatrial septum that transmits cardiac impulses from the SA node to the AV bundle
    ATRIOVENTRICULAR NODES
  8. (AV bundle or bundle of HIS) Fibers that conduct impulses rom the AV node to the Purkinje fibers in the ventricular muscles of the heart
  9. Muscle fibers that conduct the cardiac impulse from the AV bundle into the ventricular walls
    PURKINJE FIBERS

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