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The individual muscle cells are joined through a junctional complex known as the intercalated disc and are not fused together into multinucleate structures as they are in skeletal muscle.
(kar-dee-ak) A type of muscle that forms the contractile wall of the heart; its cells are joined by intercalated discs that relay each heartbeat. cardiac output The volume of blood pumped per minute by the left ventricle of the heart.
myoblast, satellite cell, sarcoplasm, sarcolemma, sarcoplasmic reticulum, T-tubule cardiac muscle myocardium, intercalated disc, nebulette smooth muscle calmodulin, vascular smooth muscle ...
See also: Action, Muscle, Tissue, Long, Cardiac muscle
 
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