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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 Definition. These are transverse bands that separate the adjacent ends in cardiac muscle fibers. Normally these structures appear as stained irregular lines at 90 degrees to the striped sarcomeric pattern.ntercalated discs Description. The cross-bands contain the following components that act as cell-cell junctions: 1  Fascia adherens: These are majorly the anchoring regions for actin. 2  Once attached, the thin filaments of actin bind to the sarcomeres of the cardiac muscles.