Pelvic limb specimens from 14 euthanized free-ranging lions (Panthera leo), ranging in age from 16 to 170 mo, underwent radiographic evaluation in the manner described for thoracic limbs in part I of this study.2 On the basis of these specimens, the femur of the lion is similar to that of domestic cats, but the cranial and caudal middiaphyseal cortices are markedly thickened. The patella has a long narrow apex and flat broad base. There is a prominent lateral Os sesamoideum m. gastrocnemii. A small medial sesamoid is occasionally present, and meniscal ossicles are usually present. The head and distal extremity of the fibula are very prominent. The tarsal joint is similar to that of domestic cats. Metatarsals II–V are up to 25 mm longer than the corresponding metacarpals. All physes close by 54 mo of age.
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Vol. 36 • No. 1