CHAPTER XXIV. 



THE TESTES. 

 BY v. LA VALETTE ST. GEORGE. 



EXTERNAL PORTIONS OF THE TESTES. 



THE male sexual organs are tightly packed in a dense fibrous 

 membrane, the tunica albuginea, which is continued upon 

 the upper part of the excretory duct or epididymis. 



The external surface of this fibrous membrane is smooth and 

 polished, in consequence of the covering it receives from the 

 internal or visceral layer of the Tunica vaginalis propria. 

 Where it covers the testis, this is indissolubly connected with 

 the albuginea, as the tunica adnata, but it is less firmly 



Fig. 165. 



Fig. 165. Villi of the serous membrane with columnar epithelium, 

 a, Vascular loops ; 6, epithelium ; c, nuclei. 



Iherent to the epididymis. The tissue of the serous membrane 

 often prolonged into villous-like excrescences, which have 

 been described in detail by v. Luschka,* and are found both 

 the sharp border of the epididymis and upon the upper 



* Virchow's Archiv, Band vi., p. 323. 



K 2 



