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Intercalated Cells. This type cell is found in the late distal tubule and is represented by the IC box. Its main function is acid-base balance. The basolateral border of this cell is freely permeable to hydrogen and potassium.
Intercalated discs Function/Purpose. The primary role of the cross-bands is to hold the adjacent cells together by providing sites of strong adhesion. The gap junctions promote diffusion of ions between cells and allow waves of depolarization to spread over the entire heart by passing from cell to cell.