THE MICROSCOPE IN DIAGNOSIS. 309 



II. Urine turbid, without distinct deposit. 



A. Turbidity disappears on warming, amorphous 

 urates. 



B. Cloudiness remains while heating. 



. Yibriones and bacteria present, putrefactive fermen- 

 tation. 



p. Numerous minute molecules, chylous urine. 



III. A film on surface of urine. 



A. Prisms of triple phosphates, usually with granular 

 phosphates and spherules of urate of soda, phosphuria. 



B. Numerous small oil-globules, with triple phosphates, 

 kiestin. 



EPITHELIUM. 



The character of the epithelial scales will often show 

 the locality of disease in the urinary tract (Fig. 142). 

 JRenal epithelium, lying loose in the deposit is somewhat 

 globular, and may sometimes be compared with that in 

 the tube-casts in the same specimen It bears quite a re- 

 semblance to pus-cells. It occurs in desquamative nephri- 

 tis, and undergoes various changes, appearing atrophied, 

 granular, or fatty. Sometimes large granular corpuscles 

 occur with fatty epithelium, being altered cells them- 

 selves. 



Cells from the bladder occur often as groups of tessellated 

 cells of circular form sometimes pyramidal. Caudate 

 epithelium is found in the ureter and pelvis of the kidney, 

 and may be caused by calculous pyelitis. Large scaly 

 epithelium comes from the vagina. 



MUCUS AND PUS. 



Mucus is deposited as a flocculent cloud, entangling a 

 few round or oval delicately granular cells, a little larger 

 than a red blood-globule. In disease this increases and 

 contains numerous ill-defined cells. A very thick glairy 



