True about calcium in kidney is
Parathormone secreted by parathyroid glands regulates the blood calcium level. Ref: guyton and hall textbook of medical physiology 12 edition page number: 495,496,497
Most reabsorption occurs in DCT
Major regulating factor is parathormone
Parathormone decreases calcium absorption
Increased plasma phosphate decreases calcium resorption
Renal physiology