| protrusio acetabuli | A disease characterised by an inward bulging of the acetabulum into the pelvic cavity, resulting from arthritis of the hip joints, usually due to rheumatoid arthritis. Synonym: arthrokatadysis, Otto pelvis, protrusio acetabuli. (05 Mar 2000) |
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| arteria acetabuli | An arterial branch that supplies the acetabulum; two arteries, the obturator and the medial femoral circumflex, have such branches. Synonym: ramus acetabularis, acetabular artery, arteria acetabuli. (05 Mar 2000) |
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| incisura acetabuli | A gap in the inferior the margin of the acetabulum. Synonym: incisura acetabuli, cotyloid notch. (05 Mar 2000) |
| facies lunata acetabuli | The curved articular surface that surrounds the acetabular fossa and articulates with the head of the femur. Synonym: facies lunata acetabuli. (05 Mar 2000) |
| fossa acetabuli | A depressed area in the floor of the acetabulum superior to the acetabular notch. Synonym: fossa acetabuli. (05 Mar 2000) |
| ligamentum transversum acetabuli | Portion of the acetabular labrum that passes across the acetabular notch. Synonym: ligamentum transversum acetabuli. (05 Mar 2000) |
| limbus acetabuli | The rim of bone around the acetabulum to which is attached the labrum acetabulare. Synonym: limbus acetabuli, margo acetabularis. (05 Mar 2000) |