Pelvic bone

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The pelvic bone is composed of the ilium, ischium, and pubis that have fused together.
The pelvic bone articulates:
- with the femur distally, forming the hip (femoroacetabular) joint.
- the sacrum medially, forming the sacroiliac joint.

NOTES:

The pelvic bone is also known as the coxal bone, the os coxa, the innominate bone, and the hip bone.
The acetabulum of the pelvis is the socket of the hip joint. All three bones of the pelvic bone, the ilium, ischium, and pubis, unite at the acetabulum.

Anterior view of the pelvic bone on the right side of the body.

Posterior view of the pelvic bone on the right side of the body.

Lateral view of the pelvic bone on the right side of the body.

Medial view of the pelvic bone on the right side of the body.