The patella (Figure 3.29C) is a large, triangular (with the apex pointing inferiorly) sesamoid bone, which is formed within the tendon of the quadriceps femoris muscle. The anterior, superior, and inferior surfaces are rough, indicating the regions that are attached to the ligaments and tendons. The anterior and inferior surface is attached to the patellar ligament, which con-nects the patella to the tibia. The anterior and superior
surface is attached to the quadriceps tendon. The pos-terior surface is smooth, with a medial and lateral facet that articulates with the medial and lateral condyles of the femur.
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