DIFFERENTIATION OF THE NEPHROGENIC TISSUE 



205 



.al 



FIG. 214. Diagram showing the relation of Bowman's capsule and the uriniferous tubules 

 to the collecting tubules of the metanephros (Huber). c, Collecting tubules; e, end branches cf 

 collecting tubules; r, renal corpuscles; n, neck; pc, proximal convoluted tubule; dl, descending 

 limb of Henle's loop, /; al, ascending limb of Henle's loop; dc, distal convoluted tubule; j, junc- 

 tional tubule. 



A 



FIG. 215. Several stages in the development of the uriniferous tubules and glomeruli of the 

 human metanephros of the seventh month (reconstructions by Huber). X 160. 



