What are the major functions of “I” cells?
Correct Answer: Reabsorb potassium ion.
Description: Reabsorb potassium ion.REABSORPTION IN LATE DISTAL TUBULE:Functionally similar to coical collecting tubule.Facultative type:Reabsorption of solutes/water depends on water/electrolyte balance.Hence, "Facultative type" of absorption.Cells involved in reabsopion:Principal (P) cells.Intercalated (I) cells.FUNCTIONS OF 'I' CELLS:Reabsorb potassium ion.Secrete hydrogen ions into tubular lumen.
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