Acetabulum
Videos
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.
A model of the acetabulum (cotyloid cavity)
X-ray of the acetabulum, with measurements used in X-ray of hip dysplasia in adults
Acetabulum
Hip joint. Lateral view. Acetabulum.
Ball-and-socket joint
Videos
The ball-and-socket joint is a type of synovial joint in which the ball-shaped surface of one rounded bone fits into the cup-like depression of another bone. The distal bone is capable of motion aroun
1: Ball and socket joint; 2: Condyloid joint (Ellipsoid); 3: Saddle joint; 4 Hinge joint; 5: Pivot joint
Hip