62 



bundles? Recognize blood vessels, nerves (and ganglia ?). Study 

 well the epithelium and compare it with the epithelium of the ureter. 



136. Bladder, collapsed. VAX/A*. JU*WX. ; (collodion ) 

 . sections 10 jit. Stain with hematoxylin and V >S J ^^^^.This 



preparation is to be compared with 135 for (a) the epithelium, its 

 differences in a distended and contracted condition, and () the lay- 

 ers of the muscular coat. 



URETHRA. 



137. Urethra female (and vagina). Cj^V Transection. 

 < V.^_ AJ1 jj^ A/> ^ collodion ; sections 1 u /^- Stain with hematoxylin 

 and picrofuchsin. 



Study the preparation carefully, noting the coats, the character 

 of the lining epithelium, the layers composing the muscular coat, 

 and the direction of the fibers ; compare with the condition in the 

 ureter and bladder. Are glands present ? Note the blood .vessels 

 of the mucosa. 



138. Urethra male. %-v><^ Transection. "h**As>JW* 

 collodion ; sections 'L^ j^. Stain with hematoxylin and picro- 

 fuchsin. 



Compare this preparation with 137 and note differences. What 

 is the character of the epithelium and therefore what part of the 

 urethra is it ? Are the muscular layers well denned ? 



TOPICS FOR QUIZ i6th Week. 



THE URINARY ORGANS. 



r. What are the urinary organs? 



2. General structure of a kidney as seen in longisection ? 



3. Medullary rays. 



4. Urinary tubule, entire extent with names of parts. 



5. Vascular system of the kidney. 



6. Malpighian bodies or corpuscles. Bowman's capsule, glomerulus. 



7. Epithelium of the urinary tubules, pelvis of the kidney, ureter, bladder 

 and urethra. 



8. Structure of the urocyst or urinary bladder (a) empty and (b) distended. 



9. Structure of the ureter. 



