306 



DISEASES OF THE HORSE. 



follow, and there is danger of adhesion of the tendons taking 

 place. This plate also exhibits the manner in which the tendons 

 are tied down at the back of the fetlock, and the expansion of 



Fig. 5. Back of the Pastern atid Fetlock. 



a a. The flexor perforans tendon emerg- 

 ing from its slieatli, expands as it 

 passes down, and is inserted into the 

 bottom of the coffin bone. 



h, Tlie flexor perforatus tendon, forming 

 a sheath for the other ; and after divid- 

 ing is inserted into the small pastern. 



c c. The lateral cartilages attached to the 

 coffin bone. 



d. The bottom of the coffin bone. 



Fig. 6. represents the back part of the 

 foot, pastern, and fetlock joint, dis- 

 sected, in order to show the ligainents 

 and cartilages. 



a. The smooth surface, over which the 

 back sinews pass. 



h. The ligament which encloses the back 



Back of the Foot, Pastern, aiid 

 Fetlock Joint. 



sinews, forming a sheath for them, and 

 keeping them in their situation. In 

 this preparation some part of the liga- 

 ment was removed, in order to show 

 the smooth surface a. 



d d d, A ligament, going from the sesa- 

 moid bones to the small j)astern ; its 

 use seems to be that of giving strength 

 to the pastern joint, which, from the 

 oblique jiosition of the pastern bones, 

 would otherwise have been very inse- 

 cure. 



e. The insertion of the ligament ; on 

 each side is shown the jierforatus ten- 

 don, cut ofi" just previous to its in- 

 sertion. 



ff. The lateral cartilages. 



[I, Tlie bottom of the coffin bone. 



the perforans tendon as it passes over the navicular bone and is 

 inserted into the bottom of the coffin joint. The lateral car- 

 tilages are also clearly shown. 



Fig. 6. exhibits the ligaments underneath the flexor tendons, as 

 well as the smooth surface at the back of the sesamoid bones, 

 over which the tendons pass. 



The frontisjncce is an important figure, as exhibiting, by a 

 vertical front section, the situation and the natural colour of the 



