The acetabular fossa is a fossa located at the centre of the

acetabulum The acetabulum (), also called the cotyloid cavity, is a concave surface of the pelvis. The head of the femur meets with the pelvis at the acetabulum, forming the hip joint. Structure There are three bones of the ''os coxae'' (hip bone) that c ...

. It is occupied by the

ligament of head of femur In human anatomy, the ligament of the head of the femur (round ligament of the femur, ligamentum teres femoris, the foveal ligament, or Fillmore’s ligament) is a ligament located in the hip. It is triangular in shape and somewhat flattened. The l ...

. In contrast to the thick and smooth surrounding lunate surface, the pelvis' articulation with the head of the femur, the acetabular fossa is rough and thin, often transparent, and continuous with the

acetabular notch The acetabular notch is a deep notch in the acetabulum of the hip bone. The acetabular notch is continuous with a circular non-articular depression, the acetabular fossa, at the bottom of the cavity: this depression is perforated by numerous aper ...

below.

Additional Images

File:Slide2DADA.JPG, Hip joint. Lateral view. Fat in acetabular fossa.

References

Pelvis {{musculoskeletal-stub