1900-r mitoses 



1800. 



« Connective cells 



^ , Convoluted tubules 



^ , Henle's loops 



♦ Glomerul 



, , Medullar zone 



Fig. 9.10 — Mitotic activity in the kidney of the rat after ligature of the ureter, studied 

 with the colchicine-technique. (After Herlant ) 



