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auricular surface
The lateral surface of the sacrum has the resemblance like an auricle (auris = ear). Formed by the fusion of the costal processes (homologs of ribs). During life auricular surfae is covered with hyaline cartilage. Main site of the synovial part of the sacroiliac joint
Related
bone
General
bony process
References
Clinically Oriented Anatomy, 4th edition, KL Moore &
AF Dalley (eds), Lippincott Williams & Wilkins, Philadelphia,
PA 1999.
Component-of
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