98 



APPLIED BACTERIOLOGY FOR NURSES 



tissues, enter the blood-stream, and often lead to inflam- 

 mation in other parts of the body, arthritis, endocarditis, 

 pyemia, etc. 



Fig. 30. — Injecting horse with toxin. (Courtesy of H. K. Mulford 

 Company, Phila.) 



The poison produced by diphtheria bacilli is spoken 

 of as diphtheria toxin. The something in the blood 



Fig. 31. — Bleeding hor.se in operating-room. Every precaution 

 is taken to insure asepsis. (Courtesy of H. K. Mulford Company, 

 Phila.) 



of the treated animals which was able to overcome or 

 neutralize the effects of the diphtheria toxin is, there- 



