300 



LEWIS J. POLLOCK 



2. EFFECT OF SIMULTANEOUS SECTION OF ADJACENT NERVES 

 UPON RETURN OF PAIN SENSIBILITY 



If the shrinkage of the area insensitive to pin prick, responsible 

 for the increase in size of the intermediate zone, be a sign of 

 nerve regeneration and not a result of overlap, it should occur 

 whether the adjacent nerves be affected or not. This, however, 

 is not the case, as will be shown. In other words, if certain 



Fig. 3 Sensory loss resulting frona complete section of the radial nerve. 

 No. 26 illustrates that no analgesia may result. 



19. M. S. G. S. W. M. G. B. Middle third arm, November 10, 1918. Oper- 

 ated May 21, 1919. Examined May 5, 1919. 



20. P. J. G. S. W. H. E. Upper third arm, September 28, 1918. Operated 

 May 16, 1919. Examined May 13, 1919. 



21. H. J. G. S. W. H. E. Lower third arm, 'October 20, 1918. Operated 

 June 3, 1919. Examined May 23, 1919. 



22. B. J. G. S. W. M. G. B. Middle third arm, October 8, 1918. Operated 

 March 22, 1919. Examined April 17, 1919. 



23. G. W. G. S. W. H. E. Middle third arm, October 31, 1918. Operated 

 March 17, 1919. Examined April 28, 1919. 



24. D. G. G. S. W. M. G. B. Upper third arm, October 26, 1918. Operated 

 April 15, 1919. Examined May 18, 1919. 



25. W. L. G. S. W. H. E. Upper third arm, October 31, 1918. Operated 

 May 6, 1919. Examined May 1, 1919. 



26. E. F. G. S. W. H. E. Upper third arm, November 10, 1918. Operated 

 May 8, 1919. Examined June 17, 1919. 



27. C. F. G. S. W. H. E. Upper third arm, November 7, 1918. Operated 

 April 22, 1919. Examined May 6, 1919. 



