818 



SYNOVIAL SHEATHS OF THE FORE LIMB. 



Fig. 473. — Outer surface of the fore limb ; 

 to show synovial sheaths, a, Tendon 

 sheath of extensor metacarpi magnus ; 



b, tendon sheath of extensor pedis ; 



c, tendon sheath of extensor suft'ra- 

 ginis ; d, tendon sheath of flexor 

 metacarpi externus ; e e ', superior 

 and inferior pouches of the synovial 

 membrane of the carpal sheath ; /. 

 /', /", and /" , superior, middle and 

 inferior pouches of the synovial 

 membrane of the metacarpophalangeal 

 sheath ; g, bursa beneath the extensor 

 pedis tendon ; h, bursa beneath the 

 extensor suffraginis tendon ; i, pro- 

 trusion of the synovial capsule of the 

 fetlock- joint. 



Fig. 474. — Inner surface of the fore limb ; 

 to show synovial sheaths, a, Tendon 

 sheath of the extensor metacarpi 

 obliquus ; b, tendon sheath of flexor 

 metacarpi interims ; c, carpal sheath ; 

 (L d 1 , d", d"\ superior, middle, and 

 inferior pouches of the metacarpo- 

 phalangeal (great sesamoid) sheath ; 

 e, bursa beneath the extensor pedis 

 tendon in front of the fetlock ; /, 

 distended synovial capsule of the 

 fetlock- joint. 



