Acetabulum ... The acetabulum (/ ˌæsɪˈtæbjələm /; [1] pl.: acetabula), also called the cotyloid cavity, is a concave surface of the pelvis. The head of the femur meets with the pelvis at the acetabulum, …

Jul 30, 2025 · What is the acetabulum? The acetabulum is a large socket on the lateral face of the hip bone that articulates with the head of the femur to form the hip joint. Anatomically, the acetabulum is …

Sep 17, 2025 · Acetabulum fractures are pelvis fractures that involve the articular surface of the hip joint and may involve one or two columns, one or two walls, or the roof within the pelvis.

What is an acetabular fracture? An acetabular fracture is a break in your hip socket. Your hip is a “ball-and-socket” joint. Your acetabulum, which is part of your pelvis, forms the socket. Your femoral …

The acetabulum is the "socket" of the "ball-and-socket" hip joint. In a healthy hip, the ball fits securely inside the socket and rotates easily within the smooth cartilage lining.

The acetabulum is the pelvic socket that connects with the femoral head to form the hip joint, vital for stability, movement, and weight-bearing.

The acetabulum is a cup-shaped cavity in the pelvis that forms the socket of the hip joint. It plays a crucial role in providing stability and facilitating a wide range of motion in the lower limb, making it …

The acetabulum is a deep, cup-shaped cavity located on the lateral aspect of the pelvis, formed at the junction of three pelvic bones: the ilium, ischium, and pubis. It serves as the socket for the head of …

Jan 6, 2026 · The roof arc is formed by the angle between two lines, one drawn vertically through the geometric center of the acetabulum, the other from the fracture line to the geometric center. Roof arc …

Within the acetabulum, we can observe two distinct regions: 1) acetabular fossa, and 2) lunate surface. The acetabular fossa is a central, rough area without any articular surface.