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 ?
The use of reinforcement rings to reconstruct deficient acetabula.
3kN up to 3kN is applied vertically to the stationary acetabula component--cup.
En el subgenero principal Neocalonyx, Goldschmidt & Gerecke (2003), reconocieron cinco grupos de especies, tomandose como caracteres principales la morfologia de las garras y los acetabula de los campos genitales; proponemos aqui varias modificaciones en la conformacion de los grupos, incluyendo la fusion de dos de ellos.
Another line, called the Perkin line, is drawn perpendicular to the Hilgenreiner line along the lateral edges of the acetabula.
Genital acetabula many pairs; female genital field with two pairs of acetabular plates; anterior female plates with an elongate, inner flap that is heavily sclerotized and bears one or two, short, thick, spinous, setae; posterior female plate modified with many acetabula; pedipalp subcylindrical and well-sclerotized with tarsus usually nearly quadrate in outline with large, obvious clawlets; most species with obvious dorsal plates; male genital field as in Pentatax Thor; first walking legs with large prominent setae; male fourth walking leg modified in some species; tarsal claws of walking legs deeply bifid in some species; coxal plates with obvious borders.