THE KINETIC SYSTEM 



167 



Section of normal adrenal of rabbit. 



B. 



Section of adrenal of rabbit after 

 insomnia 100 hours. 



FIG. 25. PHOTOMICROGRAPHS SHOWING THE EFFECT OF INSOMNIA 100 

 HOURS ON THE ADRENALS OF A RABBIT. 



Compare A and B, noting in the latter the disappearance of cytoplasm, 

 the loss of some nuclei and the generally disorganized appearance of the cells. 



(From photomicrographs, X 1640.) 



tions of the brain, the hypophysis, the salivary glands, 

 the thyroid, the parathyroids, the thymus, the lym- 

 phatic glands, the lungs, the heart, the liver, the pan- 

 creas, the stomach, the intestines, the spleen, the 



