240 PEINOIPLES OP VETEEINABY SURGERY 



What is a specific myositis 9 



The inflammation of a muscle due to a special bacillus or 

 parasite. 



Give an example of specific m,yositis. 



When due to the trichina spiralis, it is termed trichinous 

 myositis {myositis tricliinosa) ; when due to the ray fungus, 

 myositis actinomycotica ; when due to the bacillus of tubercu- 

 losis, it is termed myositis tuberculosa, etc. 



Depending on the course, what forms of myositis are known ? 

 Acute and chronic. 



According to the character of the exudate, what forms of myo- 

 sitis are known ? 

 Serous, purulent and their subvarieties. 



Depending on the character of the inflammation, what forms 

 of myositis are known ? 



Interstitial, parenchymatous. 

 What do you understand by an interstitial myositis ? 



It is a myositis of chronic nature accompanied with con- 

 nective tissue proliferation mainly in the internal perimysium, 

 which gradually replaces the muscular substance. 



What is a parenchymatous myositis ? 



A myositis involving the muscular substance proper 

 (primitive muscle fibers, muscle columns and muscle cells). 



According to the origin, what forms of myositis are known ? 



Primary or secondary (also termed metastatic). 

 CH,ve some examples of secondary myositis. 



Metastatic myositis is represented by tubercular myositis, 

 actinomycotic myositis, equine streptococcus distemper, etc. 



