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acetabulum
(redirected from acetabula)

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
ac·e·tab·u·lum  (s-tby-lm)
n. pl. ac·e·tab·u·la (-l)
1. Anatomy The cup-shaped cavity at the base of the hipbone into which the ball-shaped head of the femur fits.
2. Zoology The cavity in the body of an insect into which the leg fits.
3. Zoology A cup-shaped structure, such as the sucker of a tapeworm or leech.

[Latin actbulum, vinegar cup, from actum, vinegar; see acetum.]

ace·tabu·lar (-lr) adj.
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acetabulum
hip ball-and-socket joint

acetabulum [ˌæsɪˈtæbjʊləm]
n pl -la [-lə]
1. (Life Sciences & Allied Applications / Anatomy) the deep cuplike cavity on the side of the hipbone that receives the head of the thighbone
2. (Life Sciences & Allied Applications / Zoology) a round muscular sucker in flatworms, leeches, and cephalopod molluscs
3. (Life Sciences & Allied Applications / 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]

acetabulum - The socket of the hip bone, into which the head of the femur fits.
See also related terms for socket.
ThesaurusLegend:  Synonyms Related Words Antonyms
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


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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.
 
 
 
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