TONSILLITIS. 



363 



In tonsillitis the inflammation rnay be superficial and in- 

 volve only the mucous membrane of the tonsil as part of a 

 general pharyngitis. In other cases lacunar or follicular 

 tonsillitis it involves, in addition, the mucous membrane 

 lining the crypts, which become distended with inflammatory 

 products and project above the surface as small yellow spots. 

 The exudations at the mouth of adjacent lacuna? may coalesce, 



FIG. 159. 



FIG. 160. 



Cicatricial stricture of oesophagus (War- 

 ren Museum). 



A very tisht stricture of the oesophagus 

 of many years' duration, apparently 

 the result of chronic inflammatory 

 action; small abscess on the left 

 (Warren Museum). 



and the resulting yellow patch somewhat resembles diphther- 

 itic membrane. Ulceration of the walls of the crypts may pro- 

 duce quite extensive destruction of tonsillar tissue. In other 

 cases the inflammatory process ends in the formation of an 



