acetabulum

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Related to acetabula: 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 ?
3kN up to 3kN is applied vertically to the stationary acetabula component--cup.
Ventrally the head and prothorax are pale orange with following areas black: posterior area of gula, and a long macula on propleura; rostral segments ochraceous with most of segment IV black; mesothorax dark orange with a fine whitish cerumen, acetabula ochraceous and mesosternum black; metathorax dark orange with a fine whitish cerumen, acetabula and posterior margin whitish yellow; posterior margin of metathorax with a middle rectangular pale brown macula; coxae brownish orange with apex yellow; trocanter, tarsi and femora bright yellow; femora with a brown orange subapical ring; sternites brownish orange with brownish scattered areas.
manubriator were more sensitive than adults to low pH and suggested that their relative tolerances could be due to differences in the number of genital acetabula they possessed.