Within the muscle tissue of animals and humans, contraction and relaxation of the muscle cells (myocytes) is a highly regulated and rhythmic process. In cardiomyocytes, or cardiac muscle cells, muscular contraction takes place due to movement at a structure referred to as the diad, sometimes spelled "dyad." The diad is the connection of transverse-tubules (t-tubules) and the junctional sarcoplasmic reticulum (jSR).
Within the muscle tissue of animals and humans, contraction and relaxation of the muscle cells (myocytes) is a highly regulated and rhythmic process. In cardiomyocytes, or cardiac muscle cells, muscular contraction takes place due to movement at a structure referred to as the diad, sometimes spelled "dyad." The diad is the connection of transverse-tubules (t-tubules) and the junctional sarcoplasmic reticulum (jSR).
Source: Wikipedia "Diad" · CC BY-SA 4.0
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