20 



INFLAMMATION. 



lyzed part, with sloughing, as in the posterior extremities, after 

 parturient apoplexy ; or that inflammation occurring in the 

 foot, pastern, and fetlock of the horse, after neurotomy has been 

 performed ; typhoid inflammation of the lungs, where little indi- 



FiG. 4 shows the immensely enlarged condition of the coronet and pastern, from 

 inflammation and gelatinous degeneration, succeeding neurotomy, a, Toe of foot ; 

 h, Fetlock pad. 



cation has been shown during life, and it must also be presumed 

 that the formation of pulmonary abscesses in glanders is un- 

 attended by pain. We therefore conclude that the absence of 

 pain is no indication of the absence of inflammation, and that 

 the presence of pain is not impossible without inflammation. 

 Of this we have many examples, as in spasmodic colic, where 

 pain is intense ; in tetanus, and in cramp of the vohmtary 

 muscles. One peculiar case came under my immediate know- 

 ledge, where pain was present to a most exquisite degree, with- 

 out either spasm or inflammation, and where the external iliac 

 artery of the near (left) side was plugged by a fibrinous clot 

 (embolus). The animal while at rest exhibited nothing unusual, 

 but if put to work in the carriage he would not proceed 

 500 yards without the limb becoming icy cold; he would 



