636 



THE URINARY ORGANS. 



with either gout or chronic visceral congestion or arterio-sclerosis or 

 syphilis. But these variations in form cannot be further considered here. 



FIG. 396. CHROXIC DIFFUSE NEPHRITIS. 



Showing interstitial tissue, dense and fibrous in type, between the tubules. The epithelium is in part flat- 

 tened ; in places shows albuminous degeneration. 



The diverse appearances which the kidneys present in chronic diffuse 

 nephritis are, as we have seen, largely due to variations in local and gen- 

 eral tissue vulnerability or to the rapidity and to the stage of develop- 

 ment of the lesions as well as to the nature of the excitant; .-. But acute 









FIG. 397. CHRONIC DIFFUSE NEPHRITIS. 



Showing fibrous thickening of the glomerular tuft with a mass of dense fibrous interstitial tissue at one side 

 (below) of the glomerulus. From an atrophied kidney. 



