GliNKRAI. tUi\Sll)|.;UATiuN OF DISKASK. 



/O 



enteritis when allowed to swallow the necrotic tissue durin- an 

 attack of necrotic stomatitis. 



Second, by the spread of the cause into adjacent tissues, e. i^: 

 Extension in like tissue, as in muscular tissue, is continuity as 

 psorospermosis, while extension from one tissue to another of 

 a different type, as from muscular to connective tissues, is con- 

 tiguity as in actinomycosis. 



Third, by the lymph and lymphatic nodes, e. g. tuberculosis. 



Fig. riO.— Eehinorhjnchus Gigras, after -Mli s 



a. r-i'i^halir extrpinily shnwinff 



b. Wnrm with onrtiim nl" niiK-... 



hooks 

 : Tni^'TTihran'^' of 



r- attafh I'd. 



Fourth, by the blood stream in which case the mestastases 

 will be in the lungs, liver or kidney, — e. g. anthra.x. 



Fifth,by passing along the nerve fibers as in rabies. 



Termination of Disease. — Termination is the ending or out- 

 come of the condition or existing disease. Disease terminates 

 as follows : — 



Recovery. — Disease terminates in recovery when the Ijody 

 tissues are effectuallv repaired and all structures have assumed 

 their normal function. Diseases resulting from irritating or 

 non-nutritious foods are corrected by expulsion or neutraliza- 

 tion of the causative agent either by vomition. purgation or 

 chemical union and by repair of the injured tissues, after which 

 normal functioning continues. Tissue afflicted with mechanical 



