414 



DISSECTION OF THE PELVIS. 



FIG. 154. THE LOWER PART OP THE BLADDER AND THE URETHRA 

 LAID OPEN. 



a. Trigone of the bladder. 



b. Openings of the ureters. 



c. Prostate, cut. 



d. Crest of urethra. 



e. Uterus masculiuus and utri- 

 culus. 



/. Prostatic sinus, with openings 

 of the glands of the prostate. 



g. Membranous part of the urethra. 



h. Cowper's glands, a duct from 

 each opening into the urethra. 



i. Spongy part of the urethra. 



k. Bulb of the corpus spongiosum. 



L Grlans penis. 



n. Fossa navicularis. 



o. Openings of the lacunae and 

 glands. 



r. Corpus cavernosum of the penis. 



