20 



ANATOMY. 



internal, and posterior ; and three borders — the anterior, external, 

 and internal. The superior extremity shows in front a depres- 

 sion for one of the ligaments which attaches the patella to the 

 tibia, a small articular surface for the fibula on the outer side; 

 two oval depressions with a marked projection between them 

 for articulating with the condyles of the femur. These arc smooth 

 and covered with articular cartilage. The inferior extremity pre- 



FIG. 12. POSTERIOR LIMB OF THE HORSE. 



C, Pelvic bone; F, femur; V, patella; J, tibia; X, fibula; T, tarsals; M, 

 metatarsals; S, sesamoids; P, phalanges. 



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