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* The '''acetabulum'''  
 
* The '''acetabulum'''  
 
** Formed by all three pelvic bones and an additional '''small acetabular bone''' in carnivores that is present in carnivores.
 
** Formed by all three pelvic bones and an additional '''small acetabular bone''' in carnivores that is present in carnivores.
** The craniolateral part is made by the [[Ilium - Anatomy and Physiology|ilium]], the caudolateral part by the [[Ischium - Anatomy & Physiology|ischium]] and the medial part by the [[Pubis - Anatomy & Physiology|pubis]].
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** The craniolateral part is made by the ilium, the caudolateral part by the ischium and the medial part by the pubis.
 
** The cavity of the acetabulum consists of a peripheral '''articular lunate surface''' and the non-articular '''acetabular fossa''' in it's centre.
 
** The cavity of the acetabulum consists of a peripheral '''articular lunate surface''' and the non-articular '''acetabular fossa''' in it's centre.
 
** The lunate surface is crescent shaped and has on its medial aspect the '''acetabular notch'''.
 
** The lunate surface is crescent shaped and has on its medial aspect the '''acetabular notch'''.
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