THE URINARY BLADDER. 



143 



lia. (Note that while these, when seen in plan, all appear flat, it is 

 only those of the extreme surface that are simple scales; the less 

 superficial examples show, when viewed in profile, prolongations 



FIG. 97. CELLS FROM GENITOURINARY TRACT. ISOLATED BY TEASING, AS IN TEXT, x 400. 



A. Surface bladder cells. 



B. The same seen partly in profile. 



C. C. Bladder cells from deeperjayers. 



D. Surface vaginal cells. 



E. Vaginal cells from deeper layers. 



F. Superficial cells from pelvis of the kidney or upper ureter. 



G. H. From the same as F deep layers. " Tailed Cells." G is the more usual form. 

 I. Ciliated vaginal cells. 



J, K. Cells from collecting tubules of the kidney. 



L. Pus-corpuscles. Not stained. 



M. Red blood-corpuscles. L and M are introduced as measurement standards of comparison. 



from the under surface, by means of which union is effected with 

 the deeper cells.) (/) Vacuolated cells. (These vacuolations do 

 not occur in the basal layer.) 



