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acetabulum

Definitions

  • WordNet 3.6
    • n acetabulum the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint
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Webster's Revised Unabridged Dictionary
    • Acetabulum (Anat) A sucker of the sepia or cuttlefish and related animals.
    • Acetabulum (Rom. Antiq) A vinegar cup; socket of the hip bone; a measure of about one eighth of a pint, etc.
    • Acetabulum (Anat) One of the lobes of the placenta in ruminating animals.
    • Acetabulum (Anat) The bony cup which receives the head of the thigh bone.
    • Acetabulum (Anat) The cavity in which the leg of an insect is inserted at its articulation with the body.
    • Acetabulum (Anat) The large posterior sucker of the leeches.
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Century Dictionary and Cyclopedia
    • n acetabulum In Roman antiquity: A vinegar-cup; a small wide-mouthed vessel of earthenware or metal, sometimes placed on the larger food-dishes, in which vinegar or other condiment was served. A dry or liquid measure, .0677 of a liter. Daremberg et Saglio. A similar cup or vessel used by jugglers in their feats.
    • n acetabulum In anatomy: The cavity of the os innominatum, or hip-bone, which receives the head of the femur; the cotyle, or cotyloid cavity, formed at the junction of the ilium, ischium, and pubis. See cuts under sacrarium, quarter, innominate. A cotyledon or lobe of the placenta of ruminating animals. In insects, the socket of the trunk in which the leg is inserted. A cup-like sucker, such as those with which the arms of the cuttlefish and other dibranchiate cephalopodous mollusks are provided. See cut under Sepia. A sessile or pedunculate sucker-like organ on the ventral surface of certain entozoa.
    • n acetabulum In botany: The cup- or saucer-like fructification of many lichens. The receptacle of certain fungi.
    • n acetabulum In music, an ancient instrument, made either of earthenware or of metal, used like a kettledrum or struck against another acetabulum after the manner of cymbals.
    • n acetabulum [capitalized] A genus of calcareous green algæ, Chlorophyceæ, found in tropical or subtropical waters: characterized by anerectaxis surmounted by a solid cap which consists of numerous radiating chambers. Also Acetabularia.
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Chambers's Twentieth Century Dictionary
    • n Acetabulum as-ē-tab′ū-lum (anat.) the cavity which receives the head of the thigh-bone: also a glandular substance found in the placenta of some animals
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Etymology

Webster's Revised Unabridged Dictionary
L., a little saucer for vinegar, fr. acetum, vinegar, fr. acere, to be sour
Chambers's Twentieth Century Dictionary
L., a cup-shaped vessel.

Usage

In literature:

In a boy of thirteen Storrs has reported fracture of the femur within the acetabulum.
"Anomalies and Curiosities of Medicine" by George M. Gould
Associated Words: sciatic, ischial, ischiatic, coxalgia, acetabulum.
"Putnam's Word Book" by Louis A. Flemming
It has a large round head, which is received into the acetabulum, thus affording a good illustration of a ball and socket joint.
"The People's Common Sense Medical Adviser in Plain English" by R. V. Pierce
C. The acetabulum; c, the ligamentum teres.
"Surgical Anatomy" by Joseph Maclise
The acetabulum is almost obliterated.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
Acetabulum, a small cup or vinegar cup.
"The Mushroom, Edible and Otherwise" by M. E. Hard
The large, round head of this bone is placed in the acetabulum.
"A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)" by Calvin Cutter
The origin posterior to the acetabulum is fleshy.
"Myology and Serology of the Avian Family Fringillidae" by William B. Stallcup
Ilium; Is, ischium; Pb, pubis; d.l, dorso-lumbar vertebrae; Cd, caudal vertebrae; Am, acetabulum.
"Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7" by Various
The acetabulum for the head of the femur is imperforate, being a simple oval basin, as in Chelonian reptiles and the higher Mammals.
"Dragons of the Air" by H. G. Seeley
The head of the femur has been separated from the acetabulum.
"The Cambridge Natural History, Vol X., Mammalia" by Frank Evers Beddard
As we have passed the upper blade behind the right acetabulum or foramen ovale, so now we must introduce the other in the opposite direction, viz.
"A System of Midwifery" by Edward Rigby
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In news:

Dedifferentiated chondrosarcoma The anteroposterior radiograph of the pelvis shows a lytic, expansile lesion of the right acetabulum that extends into the ilium and superior pubic ramus with cortical breakthrough of the iliopubic line.
In 90 percent of hip dislocations, the ball (head of the femur) is pushed out the back of the socket (acetabulum).
The hip joint is a ball-in-socket joint where the ball or head of the femur (thigh bone) joins the pelvis at the socket called the acetabulum.
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