THE STRUCTURE OF FREE-MARTIN GONADS 



103 





ee 



^^m^mmmm/ ^^ 



Fig. 17 Tubules from the head of the epididymis of free-martin, H-46. c<, 

 connective tissue stroma; ee, ciliated, columnar epithelial cells; mj, layer of 

 smooth muscle fibers. X 307. 





Fig. 18 Tubules from the head of the epididymis of a young male calf (six 

 months?), Bos 12. ci, connective tissue stroma; ee, ciliated columnar epithelium; 

 mj, layer of smooth muscle fibers. X 307. 



