448 



CLINICAL VETERINARY MEDICINE AND SURGERY. 



nerve w^as divided. After operation the horse no longer walked lame, 

 and only showed little lameness at a trot. 



On the 8th March, ten days after division of the ulnar nerve, the 

 fetlock of the diseased limb collapsed. In consequence of the want of 

 sensation in the lower regions of the limb weight was still placed on 

 it, but the row of phalanges was horizontal, and the fetlock touched 

 the ground. The heels of the foot were horizontal, and the toe pro- 

 jected upwards. The canon-bone formed an angle of nearly ninety 

 degrees with the phalanges. The fetlock was wider than normal, 



Fig 58. — Rupture of the flexor tendons, etc., after neurectomy. 



though it was impossible to exactly discover the position of the lesions. 

 Rupture of the flexor tendons and suspensory ligaments was diagnosed. 

 As the skin covering the posterior surface of the joint and the synovial 

 membrane of the joint itself had become lacerated in consequence of 

 movement and repeated rubbing, the animal was slaughtered. 



Examination of the Lesions. — Incision through the skin exposed a 

 thick layer of infiltrated fibrous tissue enveloping the tendons, the 

 upper parts of which, however, were intact. Opposite the fetlock the 

 tendons were displaced towards the right and inflamed for a distance 



