550 



THE DUCTLESS GLANDS ENDOCKIN GLANDS 



The stroma of the zona fasciculata is continued inward from the 

 glomerulosa, but is so drawn out as to form elongated areolae, inclosing 



FIG. 478. FROM A SECTION THROUGH THE HUMAN ADRENAL. 



a, central vein; b, capsule; c, zona glomerulosa; d, zona fasciculata; e, zona reticu- 

 laris; /, medulla; g, peri-adrenal adipose and areolar tissue. Hematein and eosin. 

 Photo. X 45. 



cell columns of considerable length, which are disposed in a radial man- 

 ner. This is the broadest of the three cortical zones and is interposed 

 between the glomerulosa and reticularis. 



