Noun Acetabulum Definition and Examples







The socket of the hip bone, into which the head of the femur fits.
  1. 'Developmental hip dysplasia may be unilateral or bilateral and includes subluxated or dislocated hips and malformed acetabula.'
  2. 'In this operation both the head of the femur and the acetabulum are replaced (total hip arthroplasty).'
  3. 'The articulation between the head of the femur and the acetabulum form the hip joint.'
  4. 'An x-ray is taken postoperatively to verify that the acetabulum is corrected and the acetabular fragment is secured with cortical screws.'
  5. 'The acetabulum contains the socket portion of the hip joint and must be reshaped to restore its original center.'
  6. 'Bone loss can occur around both the acetabulum and femur.'
  7. 'Some surgeons impact the shell implant into the acetabulum, and other surgeons prefer to fixate the implant with screws.'
  8. 'The acetabulum, the hollowing in the bony pelvis that forms the receptive portion of the hip articulation, is named after the small cup used to hold a popular dipping sauce at Roman dining tables.'
  9. 'Gradually the blood vessels to the hip cut off nourishment to the head of the femur where it fits into the acetabulum.'
  10. 'The two tendons unite to form an arch over the acetabulum.'
Any cup-shaped structure, especially a sucker.
  1. 'Thus, to describe the mechanism of attachment, we must describe both how pressure can be reduced in the acetabulum and how a seal can be formed with the surface of attachment.'
  2. 'Both the meridional muscle bundles and the circular muscle bundles of the acetabulum will, upon contraction, decrease the circumference and thereby increase the thickness of the acetabular wall.'
  3. 'The muscle volume has to go somewhere, so the circumference of the cup-shaped acetabulum has to increase, increasing the volume of the acetabular chamber.'
((n.) A vinegar cup; socket of the hip bone; a measure of about one eighth of a pint, etc.|--|(n.) The bony cup which receives the head of the thigh bone.|--|(n.) The cavity in which the leg of an insect is inserted at its articulation with the body.|--|(n.) A sucker of the sepia or cuttlefish and related animals.|--|(n.) The large posterior sucker of the leeches.|--|(n.) One of the lobes of the placenta in ruminating animals.|--|)

Late Middle English (denoting a vinegar cup, hence a cup-shaped cavity): from Latin, from acetum ‘vinegar’ + -abulum, denoting a container.

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