THE TESTICLE AND THE OVARY 353 



undoiibte<l signs of degeneration. In the cases of transplantation 

 from i-at to rat, as in homoplastic transplantation, uterine degenera- 

 tion was found to be arrested hj a successful ovarian graft. 



The successfully transplanted ovaries exhibited all the character- 

 istic histological features of normal ovaiian tissue, excepting that the 

 germinal epithelium was invariably absorbed after the lapse of a 



,14^ ■ 





■)m 







\ . 4? 



I- 





/- 



/ 



Fig. 94. — Transverse section thrimgh inniiial uterus of rat. 

 (r/; Figs. 95 and 96. From Marshall and Jolly.) 



short interval. In some cases a certain amount of degenerative 

 change took place, only certain elements of the tissue being recng- 

 nisable after the lapse oi several moiiths ; thus, the stroma might 

 present its normal appearance while the follicles had ilisap)ieared, 

 or the greater part of the graft might be C(.imp(.)sed of luteal tissue 

 alone. ft was also oljserved that the successfully transplanted 

 ovaries underwent the same cyclical changes as normal nvaries. 

 Thus, in anhnals killed shortly before the conmiencement nf the 



