296 NORMAL HISTOLOGY AND ORGANOGRAPHY. 



Opening of ureter. 



Prostate gland. 

 Sinus pocularis. 



Ejaculatory duct orifice. 



Urethra, membranous 



portion. 

 Cowper's gland. 



Urethra, spongy portion. 

 Glands of Littre. 



Fig. 215. Diagram of male bladder and 

 urethra, front view. 



Ureter. 

 Vas deferens. 

 Seminal vesicle. 



Ejaculatory duct. 

 Prostate gland. 



Cowper's gland. 



Corpus caverno- 

 sum (bulbus 

 portion). 



Corpus spongio- 

 sum. 



Fig. 2 1 6. Diagram of male bladder and 

 urethra, posterior view. 



urethra, not more 

 than one-fifth 

 inch in diameter, 

 and curves so as 

 to be directed 

 downward and 

 slightly forward 

 beneath the pubic 

 arch. The epi- 

 thelium in this 

 part varies. Por- 

 tions of it resem- 

 ble that of the 

 bladder, but more 

 often it presents 

 the appearance of 

 p s e u do-stratified 

 with two or three 

 layers of nuclei. 



3. The spongy 

 portion is by far 

 the longest and 

 most variable in 

 length and direc- 

 tion. Its length is 

 about six inches, 

 and its entire 

 course is in the 

 corpus spongio- 

 sum. The epithe- 

 lial lining near the 

 meatus is strati- 



