THE FETLOCK JOINT. 



35 



forans and of the encircling fibres which tlie flexor pedis perfor- 

 atus gives to the perforans at this point, gliding freely over it. 

 (2) Above, the sesamoid bones are attached, or perhaps we 

 should say slung, through the medium of the superior sesa- 

 moidean or suspensory ligament (c, and fig. 10, &, and fig. 25, h). 

 This is a very strong tendinous cord, the substance of which 



Fig. 22. 



Fig. 23. 



always presents more or less muscular tissue, for which reason 

 it has been termed the flexor suffraginis. It is, in reality, a 

 modified interosseous muscle. 



Its upper end is attached, in the fore-limb, behind the knee, 

 in the hind-limb, behind the hock, and becomes continuous 



