Hip
Artificial hips essentially comprise a ball and socket
corresponding to the top of the femur or thighbone and the
acetabulum, the cup-shaped socket in the hipbone. The femoral
component is made of metal, sometimes with a ceramic head, and
the acetabulum is fashioned out of a tough yet slick plastic.
Cemented artificial hips use an epoxy to attach the metal to
the bone, while an uncemented prosthesis features a mesh of
tiny holes into which the patient's bone grows.
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