Physiology Which cells in the kidney produce 1,25 dihydroxy – cholecalciferol? A Granular cells B Proximal convoluted tubule cells C Mesangial cells D Peritubular cells 💡 Explanation Which cells in the kidney produce 1,25 dihydroxy - cholecalciferol? ✓ Correct Answer: B. Proximal convoluted tubule cells