Intercalated Discs

Some articles on intercalated discs:

Intercalated Disc
... When observing cardiac muscle tissue through a microscope, intercalated discs are an identifying feature of cardiac muscle ... single heart muscle cells (cardiomyocytes) which have to be connected by intercalated discs to work as a functional organ ... of multinucleated muscle fibers and therefore exhibit no intercalated discs ...
Cardiac Muscle - Appearance - Intercalated Discs
... Intercalated discs (IDs) are complex adhering structures which connect single cardiac myocytes to an electrochemical syncytium (in contrast to the skeletal muscle, which becomes a multicellular syncytium ... Intercalated discs also support the rapid spread of action potentials and the synchronized contraction of the myocardium ... Under light microscopy, intercalated discs appear as thin, typically dark-staining lines dividing adjacent cardiac muscle cells ...