One of the small sesamoid bones situated behind the condyles of the femur, in some mammals.

diminutive of Latin faba = a bean, hence, a sesamoid bone found in the lateral head of gastrocnemius.

A sesamoid bone commonly located in the gastrocnemius muscle, just behind the knee.

A sesamoid bone that is within the lateral head of gastrocnemius, which often articulates with the femoral condyle.

Small sesamoid bone occasionally found in the area of the knee.