Description
The auricular surface of sacrum is the smooth, ear-shaped, articular area found along the lateral surface of the sacrum. It is located anterior to the sacral tuberosity and it articulates with the auricular surface of ilium, forming the sacroiliac joint.
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Sacrum
The sacrum is a triangular bone, situated in the lower part of the vertebral column and at the upper and back part of the pelvic cavity, inserted between the two hip bones.
