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n. pl. ac·e·tab·u·la (-lə)
1. Anatomy The cup-shaped cavity at the base of the hipbone into which the ball-shaped head of the femur fits.
2. Zoology A cavity or socket in the body of an insect into which an appendage fits.
3. Zoology A cup-shaped structure, such as the sucker of a tapeworm or leech.

[Latin acētābulum, vinegar cup, from acētum, vinegar; see acetum.]

ac′e·tab′u·lar (-lər) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.acetabular - of the cup-shaped socket that receives the head of the thigh boneacetabular - of the cup-shaped socket that receives the head of the thigh bone
concave - curving inward
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References in periodicals archive ?
acetabular capsule for cement attachment (choice between two types), 1.
Acetabular Fractures: Diagnosis, Indications, Treatment Strategies (online access included)
1-3) As the pelvic position changes in space, so does the acetabular anteversion.
MicroPort Orthopedics Launches Acetabular Cup System
More recently developed, Lumic acetabular implant (Implantcast, Buxtehude, Germany) has been used for acetabular reconstruction after type 2 pelvic resection.
The acetabular labrum is a triangular fibrocartilaginous structure that forms a horseshoe-shaped attachment to the acetabular rim, which connects the acetabulum to the underlying transverse acetabular ligament [Figure 1]a.
Zimmer said that the addition of the G7 Dual Mobility Construct expands Zimmer Biomet's comprehensive portfolio of shell, fixation and bearing options within the G7 Acetabular System, which enable surgeons to personalize implant selection and establish a stable joint in total hip arthroplasty.
Periprosthetic acetabular fractures are rare injuries, but their incidence is rising due to increased prevalence of total hip arthroplasty [1].
2-5) As these patients posses several problems like severe deformities of knee with bony ankylosis that results in difficulties in positioning, difficulty in giving anaesthesia due to fused spine, need for adductor tenotomy and release of other muscles around the hip, need for special implants like acetabular reinforcement rings, unpredictable gain in ROM, heterotopic ossification and influence of drug therapy (steroids and DMARDS).
The relative superiority of cementless acetabular component over cemented ones is nowadays a well-accepted fact.
Central acetabular fractures with dislocation are usually the result of high-energy trauma, resulting in joint incongruity, and are frequently associated with other injuries.