auricular surface

Introduction

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

More general terms

• bony process

Additional terms

• bone

Component of

• back