LAMINITIS. 



359 



now presents characteristic appearances ; it becomes rihhed, as 

 if there were successive efforts to cast the hoofs. The rings of 

 laminitis are irregular, and run together towards the anterior 

 aspect of the foot, as in the annexed illustration (Fig. 69). This 



Fig. 69. 



distinguishes them from the rings of a healthy unrasped foot, 

 in which they are regular, and have wider interspaces. 



The bone, pressed downwards by the exudate, becomes 

 absorbed at its borders, by which it is reduced in bulk, more 



Fig. 70. — Absorption of inferior edge of os pedis, a, 

 Anterior aspect, b, Plantar edge ; the dark shade repre- 

 sents a holloAv space from which the bone has been absorbed, 

 c, Basilar process, d, Pyramidal process. 



particularly at its toe and sides, whilst its whole structure 

 becomes brittle (1st.) by ossification of the exudate within its 



