Anatomy of the Foot, 



191 



\Ylien, for any reason, tlie relations of this natural mechanism 

 become disturbed, lameness is the result. 



FIG. 22. — EXTERNAL PARTS OF THE HOOF. 



Turning to the outer coverings of the hoof, we note that 

 it is made up of two parts : the one seen above the ground, 

 and the other that which is placed on the ground; in other 

 words, the wall and the sole. 



The wall is divided into the toe (Fig. 22, a), which is the 

 forward point of the hoof; the liedj which is the hinder 

 part, where the notch is seen; the quarters, which are the 

 portions on each side, midway between the toe and the heel, 



FIG. 23. — THE SOLE OF THE HOOF. 



and which are known respectively as the inside and the 

 oitfeiWe-^ quarter; the upper, or coronar?/ border (e); the 

 lower, or solar border; and the barsj which are the re- 



