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by damigurl05 on November 6th, 2007

damigurl05

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What is the purpose of the intercalated discs in cardiac muscle

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  • by Count Drunkula on November 19th, 2007

    Count Drunkula

    At an intercalated disc, the cell membranes of two adjacent cardiac muscle cells are extensively intertwined and bound together by gap junctions and desmosomes. These connections help stabilize the relative positions of adjacent cells and maintain the three-dimensional structure of the tissue. The gap junctions allow ions and small molecules to move from one cell to another. This arrangement creates a direct electrical connection between the two muscle cells. An action potential can travel across an intercalated disc, moving quickly from one cardiac muscle cell to another.

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