6 Decreased eryhropoietin--EPO (90%o formed in kidney) Renal aneamia 6 Decreased 1-a-hydroxylase 1,25-(OH2D O Weakened inactivation to PTH PIH个 Renal osteodystrophy 8 Weakened inactivation to gastrin-HC个 ULceration 1414 EPO  HCI  1,25-(OH)2 - D3  PTH  Renal aneamia Ulceration Renal osteodystrophy ⑤ Decreased eryhropoietin ⑥ Decreased 1-a-hydroxylase ⑦ Weakened inactivation to PTH ⑧ Weakened inactivation to gastrin (90% formed in kidney)