132 THE TESTES, BY V. LA VALETTE ST. GEORGE. 



border of the testis itself. These processes are covered by one 

 or several layers of tesselated epithelium, or by scattered 

 spheroidal cells. Cells have also been observed presenting an 

 irregular form, and constrictions. 



I have frequently seen such " villi of the serous membrane " 

 seven millimeters in length, and four millimeters in breadth, 

 invested by columnar cells. 



Elsewhere the epithelium of the Tunica adnata, as it can 

 easily be obtained by shaving off sections, consists of a layer 

 8 JUL in thickness, of variously sized polyhedric cells, with 

 sharply denned oval nuclei, and one or two nucleoli. The 

 contents of the cells are finely granular, and sometimes exhibit 

 small fat-drops. To the head of the epididymis, and to the 



Fig. 166. 



a 



Fig. 166. Epithelium of the Tunica albuginea. a, Folded border ; 

 b, cells ; c, nuclei. 



upper part of the testes, are attached the so-called Hydatids of 

 Morgagni ; of these the superior, which is either solid or 

 hollow, with a more or less elongated pedicel, may be regarded 

 as the remains of Miiller's duct; whilst the inferior, of a 

 flattened clavate form, sometimes, according to v. Luschka,* 

 communicates with the canal of the epididjmis. 



The body described by Giraldes,f Henle,J and K6lliker, 

 under the names of Corpus innominattum, Parepididymis, 

 and Organ of Giraldes, consisting of a convoluted mass of 



* Yirchow's Archiv, Band vi., p. 310. 



t Bulletin de la Sodete Anatom. de Paris, 1857, p. 789. Journal de la 

 Phy$ik, Band iv., p. 1. 



Handbuch, der Emgeweidelehre, p. 364. 

 Handbuch der Gewebelehre, p. 537. 



