ACUTE ANTERIOR POLIOMYELITIS. 

 FIG. 210. FIG. 211. 



439 



Anterior cornua from case of poliomyelitis, showing atrophy of the ganglion- 

 cells. For comparison the appearance of healthy cornua is shown. The small 

 black triangles represent the cells as they appear under a low magnification 

 (F. W. Mott). 



FIG. 212. 



Spinal cord at sixth cervical level, from a case of infantile paralysis. The atrophy of 

 the right anterior horn, the existence of sclerotic scar-tissue in the horn, as well as 

 the absence of groups of cells, are shown. The left anterior horn is normal (Starr). 



