THE ADRENAL BODIES 



115 



vertebrates. And the same possibility was suspected long ago 

 from other considerations. 



v &f 



*' 



z.f. 



-z. r. 



FIG. 29. Section through portion of the adrenal body of a dog, showing the 

 various zones of the cortex, and the medulla. (Drawn by Mrs. Thomp- 

 son.) 



c., capsule ; m., medulla ; z.f., zona fasciciilata ; z.g., zona glomerulosa 

 (zona arcuata) ; z.r., zona reticularis. 



The term " accessory adrenal " in mammals has been used 

 in different senses. We must carefully distinguish between : 



