Are Intercalated Discs Gap Junctions?
Muscle Cells, Unique Junctions Called Intercalated Discs (Gap Junctions) Link the Cells Together and Define Their Borders. Intercalated Discs Are the Major...
muscle cells, unique junctions called intercalated discs (gap junctions) link the cells together and define their borders. Intercalated discs are the major portal for cardiac cell-to-cell communication, which is required for coordinated muscle contraction and maintenance of circulation.
What type of junction is an intercalated disc?
Structure. Intercalated discs are complex structures that connect adjacent cardiac muscle cells. The three types of cell junction recognised as making up an intercalated disc are desmosomes, fascia adherens junctions, and adherens junctions.
What is the difference between intercalated discs and gap junction?
A gap junction forms channels between adjacent cardiac muscle fibers that allow the depolarizing current produced by cations to flow from one cardiac muscle cell to the next. ... Intercalated discs are part of the cardiac muscle sarcolemma and they contain gap junctions and desmosomes.
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