intercalated disk


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INTERCALATED DISK: Intercalated disk at the ends of adjacent cardiac muscle cells

intercalated disk

A modification of the cell membrane of adjacent cardiac muscle cells; it consists of extensive folds and intercellular junctions for electrical and mechanical linkage of contiguous cells.
See: illustration
See also: disk
References in periodicals archive ?
Cx43 is the primary gap junction channel protein that is highly expressed within mammalian ventricular muscle at the intercalated disk. Cx43 phosphorylation is implicated widely in gap junction function.
Conventional TEM of the intercalated disk is shown in (a) among different groups at 4 weeks after coronary artery occlusion surgery.