acetabulum


Also found in: Thesaurus, Medical, Financial, Encyclopedia, Wikipedia.
Related to acetabulum: hip joint

ac·e·tab·u·lum

 (ăs′ĭ-tăb′yə-ləm)
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.

acetabulum

(ˌæsɪˈtæbjʊləm)
n, pl -la (-lə)
1. (Anatomy) the deep cuplike cavity on the side of the hipbone that receives the head of the thighbone
2. (Zoology) a round muscular sucker in flatworms, leeches, and cephalopod molluscs
3. (Zoology) the aperture in the thorax of an insect that holds the leg
[Latin: vinegar cup, hence a cuplike cavity, from acētum vinegar + -abulum, suffix denoting a container]

ac•e•tab•u•lum

(ˌæs ɪˈtæb yə ləm)

n., pl. -la (-lə)
1. the socket in the hipbone that connects with the head of the femur to form the hip joint.
2. any of the suction appendages of a leech, octopus, etc.
3. the depression on the body into which an insect's leg fits.
[1660–70; < Latin: hip socket]
ac`e•tab′u•lar, adj.

acetabulum

- The socket of the hip bone, into which the head of the femur fits.
See also related terms for socket.

acetabulum

A socket in the hip bone to take the rounded head of the femur.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.acetabulum - the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket jointacetabulum - the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint
hipbone, innominate bone - large flaring bone forming one half of the pelvis; made up of the ilium and ischium and pubis
socket - a bony hollow into which a structure fits
Translations
acetabulum

ac·e·tab·u·lum

n. acetábulo, hueso cóncavo de la cadera.

acetabulum

n acetábulo
References in periodicals archive ?
Software detects anatomic landmarks in pelvis image and will automatically perform leg length discrepancy measurements, position the selected stem in the femoral canal, and the cup in the acetabulum.
This study was undertaken with an aim of analyzing the behavior of a micro-crack emanating from the micro cavity located in cement of reconstructed acetabulum by the calculation of the stress intensity factors along the micro-crack front under a gait cycle.
The MRI scan that was ordered to further investigate the hip pain revealed a close proximity between the pelvic digit, which lay anteroinferiorly next to the right acetabulum and tendon of the m.
There was also an avulsion fracture of the anterosuperior acetabulum and a severely comminuted fracture of the right femoral neck with cephalad displacement.
Incidences of hip fractures surge exponentially with advancing age due to degeneration and weakening of hip joint (femoral head and acetabulum socket).
The initial target was immediately inferior to the anterior inferior iliac spine in the upper third of the acetabulum.
This leads to secondary bony deformation of the femoral neck and acetabulum (Fig.
The hip joint is normally very sturdy because of the fit between the femoral head and acetabulum as well as strong ligaments and tendons at the joint which provide it with stability.
Body elongate, narrow, parallel lateral margins, extremities round with maximum width at acetabulum level or just pre-acetabular (Figs 1A, 2B).
The 18-fluorodeoxyglucose-positron emission tomography (18-FDG-PET) scan performed to identify the origin of the tumor showed increased FDG uptake on the left parietal bone, cervical vertebrae, left scapula, left costa VII, left iliac crest, right acetabulum and bilateral ramus pubis.
When the cartilage is being worn away, the femoral head and the acetabulum will rub one another.
Along with a new co-editor, new co-authors, and revision of all chapters, this edition has new chapters on skull fractures, maxillofacial trauma, chest trauma, and the acetabulum, and incorporates high-quality multidetector computed tomographic images, 3-D reformations, and magnetic resonance imaging.