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Topic: Acetabulum


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In the News (Mon 16 Nov 09)

  
  Pelvic Fractures/Fractures of the Acetabulum
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).
www.hss.edu /conditions_14420.asp   (4209 words)

  
 The Hip Questions
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.
serendip.brynmawr.edu /biology/b103/f02/web2/kcampbell.html   (1630 words)

  
 eMedicine - Acetabulum, Fractures : Article by D Dean Thornton
One function of the acetabulum is to provide a means of transferring weight-bearing forces from the appendicular skeleton to the axial skeleton via the acetabulum's articulation with the femoral head.
The acetabulum is formed from 3 ossification centers; the ilium, ischium, and pubis each contribute to its development at the triradiate cartilage.
The articular surface of the acetabulum is in the shape of an inverted horseshoe (outlined in red).
www.emedicine.com /radio/topic5.htm   (4700 words)

  
 Hip prosthesis (US6361566)
The hip prosthesis is intended to be disposed at one end thereof into a cup-shaped cavity of an acetabulum and at the other end thereof into a femur canal of a person suffering from a damaged hip-joint.
The hip prosthesis comprises an acetabulum part having a cotyloid member to be tightly engaged into the acetabulum, an elongated neck part, and a femur part.
The elongated neck part has an articulation head at one end thereon, the head being shaped to be articulately received in the acetabulum part, and a slidable connection at the other end thereof for engagement with the femur part.
www.delphion.com /details?pn=US06361566__   (348 words)

  
 Differential Messenger RNA Gradients in the Unicellular Alga Acetabularia acetabulum. Role of the Cytoskeleton -- Vogel ...
Differential Messenger RNA Gradients in the Unicellular Alga Acetabularia acetabulum.
Young cells of 20 to 30 mm in length without caps (A) and adult cells of 40 to 50 mm in length with nearly full-sized caps (B) were cut into four fragments corresponding to apical stalk fragment (A), middle stalk fragment (M), basal stalk fragment (B), and rhizoidal fragment (R).
acetabulum cell fragments: culture with and without rhizoid and in absence and presence of cytochalasin D. Cells are not drawn to scale; whorls of hairs are omitted.
www.plantphysiol.org /cgi/content/full/129/3/1407   (4197 words)

  
 Hip Dysplasia - Children's Hospital Boston
The shallowness of the acetabulum causes the head of the femur to exert excessive pressure on the rim of the acetabulum.
A normal acetabulum "covers" the upper (superior) portion of the head of the femur as well as a portion of the front (anterior) and back (posterior) of the femoral head.
Acetabular dysplasia is associated with an abnormally high stress on the outer edge (rim) of the acetabulum, which leads to a mechanical breakdown of the articular cartilage (arthritis).
www.childrenshospital.org /az/Site1024/printerfriendlypageS1024P0.html   (368 words)

  
 Anterior Column of the Acetabulum - Wheeless' Textbook of Orthopaedics
Anterior Column of the Acetabulum - Wheeless' Textbook of Orthopaedics
Anatomic Considerations of Plate Screw Fixation of the Anterior Column of the Acetabulum; J.A. Benedetti, N.A. Ebraheim, R. Xu, and R.A. Yeasting.
Percutaneous Fixation of the Columns of the Acetabulum.
www.wheelessonline.com /ortho/anterior_column_of_the_acetabulum   (926 words)

  
 Acetabulum definition - Medical Dictionary definitions of popular medical terms easily defined on MedTerms
Acetabulum: The cup-shaped socket of the hip joint.
In fact, in Latin an "acetabulum" is cup, a vinegar cup.
The head (upper end) of the femur (the thighbone) fits into the acetabulum and articulates with it, forming a ball-and-socket joint.
www.medterms.com /script/main/art.asp?articlekey=2110   (121 words)

  
 Algaebase :: Species Detail
Cinelli, F. Acetabularia acetabulum (L.) Silva, Acetabularia parvula Solms-Laubach and Dasycladus vermicularis (Scopoli) Krasser (Chlorophyta, Dasycladales): ecology and distribution in the Mediterranean Sea..
Hunt, B.E. & Mandoli, D.F. A new, artificial seawater that facilitates growth of large numbers of cells of Acetabularia acetabulum (Chlorophyta) and reduces the labor inherent in cell culture.
Lüttke, A. The lack of chloroplast DNA in Acetabularia mediterranea (acetabulum) (Chlorophyceae): A reinvestigation.
www.algaebase.org /SpeciesDetail.lasso?species_id=351   (738 words)

  
 California Fungi: Helvella acetabulum
Solitary to scattered in open areas under hardwoods, especially Coast Live Oak (Quercus agrifolia); fruiting from late winter to spring.
Helvella acetabulum is one of the more distinctive members of the genus with a brownish cup supported by pallid to cream-colored ribs.
Helvella acetabulum is found occasionally along oak-shaded trails during the spring, sometimes with its much more common cousin H.
www.mykoweb.com /CAF/species/Helvella_acetabulum.html   (136 words)

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