MALE ACCESSORY REPRODUCTIVE ORGANS 235 



nective tissue underwent hyperplasia. Gruber l and Pelikann * 

 observed that in castrated men the glands atrophied, but 

 became filled with a kind of mucous liquid. 



THE PROSTATE GLAND 



The prostate in Man and other Mammals is a tubular gland 

 which surrounds the urethra at the base of the bladder, and 

 opens into it by a number of small ducts situated close to the 



FIG. 56. Section ihrough part of human prostate. (After Heitzmann, 



from Schafer.) 



C, concreticns, often found in old subjects ; E, epithelium ; 

 M , muscular tissue. 



apertures of the ejaculatory ducts. It is usually described as 

 consisting of three lobes, two lateral and one median, the former 

 comprising the chief mass of the organ. Associated with the 

 glandular substance is a considerable quantity of plain muscular 

 tissue. The prostate is provided with lymph- vessels and blood- 

 vessels. The arteries arise from the vesical, haemorrhoidal, and 



1 Gmber, " Untersuchung einiger Organe eines Castraten," Mailer's 

 Archiv, 1847. 



8 Pelikann, Qerichtl.-mediz. Unters. iiber d. Skopz-ntum in Russland, 

 Giessen, 1876. 



