| Term | Definition |
| head | smooth process articulating with the acetabulum of the os coxae, forming the hip joint |
| greater trochanter | the large prominence lateral to the head |
| lesser trochanter | the prominence distal to the head |
| trochanter fossa | the depression on the caudal aspect of the femur between the trochanters |
| third trochanter | the prominence on the lateral side, distal to the great trochanter |
| medial and lateral condyles | (knuckles) the 2 large prominences articulating with the tibia and the menisci |
| menisci | fibrocartilage discs between fumor and tibia |
| femoral trochlea | (patellar surface) the groove articulating with the patella, bounded by two ridges, the medial one being the thicker in all species |
| patella | the largest sesamoid bone of the body, articulating with the pateller surface of the femur |
| trochlear tubercle | the large prominence on the medial ridge of the patellar surface in the horese |
| fabellae | the two small sesamoid bones embedded in the heads of the gastrocnemius muscle of the carnivores |