THEORIES OF IMMUNITY. 



ing substances capable of destroying' these 

 cells. 

 Stimulines : Metchnikoff ' s term to denote bodies 

 existing in immune sera, which stimulate 

 the phagocytes to move in a special direc- 

 tion, englobe, and digest invading bac- 

 teria. 



Tetanus sine tetano : used by Donitz to describe 

 the condition of a rabbit dying after injec- 

 tions of tetanus toxine and antitoxine not 

 quite balanced; death from marasmus, but 

 no tetanus. 



Tetano-lysin : a substance existing in some 

 bouillon cultures of the tetanus bacillus, 

 capable of destroying red-blood corpuscles 

 of certain animals; destroyed by heat at 

 50° C. (Madsen.) 



Teta?io-spasmin : what is usually considered the 

 tetanus toxine; with no hemolytic power; 

 very slightly affected by twenty minutes at 

 50° C. (Madsen.) 



Toxine immunity : active immunity. 



Toxophorous (poison carrier} : the group of 



chemical affinities in the toxine molecule 



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