Anatomy and Embryology. The suprarenals are paired organs, that rest 

 hook-like on the upper pole of the kidneys. Their breadth according to 

 i). Neusser and Weisel, is about 40-50 mm., their height 30-35 mm., their 

 thickness 2-8 mm., their weight averages 10.6 gm. in women and n.6 gm. in 



Z.gi. 



Cor. 



Z.r. 



FIG. 65. Suprarenal gland of man. C. = capsule, Cor. = cortex, M. = medulla, Z.gl. = zona 

 glomerulosa, Z.f. = zona fasciculata, Z.r. = zona reticularis. 



men. They are made up of two embryologically independent parts, the cor- 

 tex and the medulla. The so-called intermediary zone belongs to the cortex. 

 The cortex is made of columns of cells, which cells are filled with glistening 

 granules, most doubly refractile, of a lipoid character. The medulla con- 

 tains numerous nerves and multipolar ganglion cells, and in addition nests 



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