A part of the pelvic bone that is above the hip joint and from which autogenous bone grafts are frequently obtained.

The large, prominent portion of the pelvic bone at the belt line of the body.

Limitation of motion or fixation of a body part usually to promote healing.

Describing biological phenomena that are made to occur outside the living body traditionally in a test tube). In vitro is Latin for in glass.

Within a living body. In vivo is Latin for in life.

Situated below or directed downward.

Consent of the patient who has received sufficient information to have surgery, receive medication, or participate in a clinical study.

A committee designated by an institution, Such as a hospital, to review and approve research projects; e.g., clinical studies in that institution.

The immobilization of bone fragments or joints with implants in order to promote healing or fusion.

See Disc (Intervertebral).

A FDA regulatory status which permits the human use of an unapproved medical device for the purposes of collecting clinical data under strictly controlled conditions.