reie­‑nelipealihase kõõlusesse sulundatud lapik seesamluu, mis liigub reieluu alaosa eespinnal põlve painutades ja sirutades, a large, triangular-shaped sesamoid bone located in the back of the tendon of the quadriceps femoris muscle, and articulating in the knee joint with the distal extremity of the femur, a thick flat triangular movable bone that forms the anterior point of the knee and protects the front of the joint

pisike lapik luu põlveliigeses, mis liigub jala eespinnal põlve painutades ja sirutades