In these cat joints, the acetabulum of the pelvis is the socket and the head of the femur is the ball. Normally, the head of the femur fits snugly within the acetabulum. When a cat has hip ...

The saber-toothed kitten's limbs, torso, head, and fur are all intact. Portions of its pelvic bones, femur, and shin bones were found in the ice around the body. Excited researchers were able to ...