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Encyclopedia > Acetabulum
Bone: Acetabulum of pelvis
Pelvic girdle
The Acetabulum
Gray's subject #57 237
MeSH Acetabulum
Dorlands/Elsevier a_06/12104853

The acetabulum is a concave surface of the pelvis. The head of the femur meets with the pelvis at the acetabulum, forming the hip joint. In ancient dining, an acetabulum (Gr: , , ) was a vinegar-cup, which, from the fondness of the Greeks and Romans for vinegar, was probably always placed on the table at meals to dip the food in before eating it. ... In Ancient Roman measurement, the acetabulum was a measure of capacity, fluid, and dry, equivalent to the Greek . ... Image File history File links Illu_pelvic_girdle. ... Acetabulum by Stephen Woods (me) Tagged: Licensed for use in accordance with the GFDL. File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. ... Elseviers logo. ... The pelvis (pl. ... The femur head which is globular and forms rather more than a hemisphere, is directed upward, medialward, and a little forward, the greater part of its convexity being above and in front. ... In anatomy, the hip is the bony projection of the femur which is known as the greater trochanter, and the overlying muscle and fat. ... For other uses, see Joint (disambiguation). ...

Contents

Structure

There are three bones of the os coxae (hip bone) that come together to form the acetabulum. Contributing a little more than two-fifths of the structure is the ischium, which provides lower and side boundaries to the acetabulum. The ilium forms the upper boundary, providing a little less than two-fifths of the structure of the acetabulum. The rest is formed by the pubis, near the midline. The ischium forms the lower and back part of the hip bone. ... The ilium of the pelvis is divisible into two parts, the body and the ala; the separation is indicated on the internal surface by a curved line, the arcuate line, and on the external surface by the margin of the acetabulum. ... The pubis, the anterior part of the hip bone, is divisible into a body, a superior and an inferior ramus. ...


It is bounded by a prominent uneven rim, which is thick and strong above, and serves for the attachment of the glenoidal labrum (cotyloid ligament), which contracts its opening, and deepens the surface for formation of the hip joint. At the lower part of the acetabulum is the acetabular notch, which is continuous with a circular depression, the acetabular fossa, at the bottom of the cavity of the acetabulum. The rest of the acetabulum is formed by a curved, crescent-moon shaped surface, the lunate surface, where the joint is made with the head of the femur. Its counterpart in the pectoral girdle is the glenoid fossa. The glenoidal labrum (glenoid ligament) is a fibrocartilaginous rim attached around the margin of the glenoid cavity. ... The acetabulum presents below a deep notch, the acetabular notch, which is continuous with a circular non-articular depression, the acetabular fossa, at the bottom of the cavity: this depression is perforated by numerous apertures, and lodges a mass of fat. ... Lunate is a term meaning crescent or moon-shaped. ... The femur head which is globular and forms rather more than a hemisphere, is directed upward, medialward, and a little forward, the greater part of its convexity being above and in front. ... The Glenoid fossa can refer to: Glenoid cavity (more common) Mandibular fossa Category: ...


In reptiles and in birds, the acetabula are deep sockets. Orders  Crocodilia - Crocodilians scary crocodiles. ... For other meanings of bird, see bird (disambiguation). ...


Etymology

The word acetabulum means "little vinegar cup", and was the Latin word for a small vessel for storing vinegar (see acetabulum). The word was later also used as a unit of volume, equal to roughly 270 ml. For other uses, see Latin (disambiguation). ... Vinegar is sometimes infused with spices or herbs—as here, with oregano. ... In ancient dining, an acetabulum (Gr: , , ) was a vinegar-cup, which, from the fondness of the Greeks and Romans for vinegar, was probably always placed on the table at meals to dip the food in before eating it. ... To help compare different orders of magnitude, this page lists volumes between at 10-4 m3 and 10-3 m3 (100 cubic centimetres (sometimes called 100 millilitres) and 1 litre). ...


Additional images

External links

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant. The State University of New York Health Science Center at Brooklyn, better known as SUNY Downstate Medical Center, is an academic medical center and is the only one of its kind in the Borough of Brooklyn in New York City. ... The State University of New York Health Science Center at Brooklyn, better known as SUNY Downstate Medical Center, is an academic medical center and is the only one of its kind in the Borough of Brooklyn in New York City. ... The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ... An illustration from the 1918 edition Henry Grays Anatomy of the Human Body (or Grays Anatomy as it has more commonly become known) is an anatomy textbook widely regarded as a classic work on human anatomy. ...


  Results from FactBites:
 
Pelvic Fractures/Fractures of the Acetabulum (4209 words)
The acetabulum refers to the part of the pelvis that meets the upper end of the thigh bone (the femoral head) to form the hip joint.
As with any fracture, the main goal of treatment for fractures of the acetabulum and pelvis is to return the patient to their pre-injury functional level, to the greatest extent possible.
Avascular Necrosis of the Head of the Femur: Patients with a dislocated hip and/or fracture of the acetabulum may have disrupted blood flow to the head of the femur (the ball in the hip joint).
The Hip Questions (1630 words)
The hip joint, a "ball and socket" joint, is comprised of the acetabulum, the socket and the head of the femur, the ball.
Each are used on infants in the first six months of life to spread the infant's legs apart and force the femoral head into the acetabulum, applying pressure to "enlarge and deepen the socket" (2) and develop the hip normally.
Another argument is that in the case of increased incidence in the Native communities of North America and Norway is not that genetics play a role, because the practice of swaddling and use of cradleboards results in "extreme adduction" (2), bringing the hips together and displacing the femoral head from proper positioning in the acetabulum.
  More results at FactBites »

 
 

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