IntrinSic are Diseases involving large renal vessels Diseases involving renal microvasculature Diseases of glomeruli Diseases characterized by injury to renal tubules Diseases of the tubulointerstitium5 Intrinsic ARF • Diseases involving large renal vessels • Diseases involving renal microvasculature • Diseases of glomeruli • Diseases characterized by injury to renal tubules • Diseases of the tubulointerstitium