acetabular fossa


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ac·e·tab·u·lar fos·sa

[TA]
a depressed area in the floor of the acetabulum superior to the acetabular notch and bounded on all other sides by the lunate (articular) surface.
Synonym(s): fossa acetabuli [TA]

ac·e·tab·u·lar fos·sa

(as-ĕ-ta'byū-lăr fos'ă) [TA]
A depressed area in the floor of the acetabulum superior to the acetabular notch.
Synonym(s): fossa acetabuli [TA] .

acetabular fossa

The rough-surfaced depression in the center of the acetabulum (femoral socket) of the hipbone. The fossa is deeper than the actual joint articulation and does not directly contact the head of the femur.
See also: fossa
References in periodicals archive ?
Caption: Figure 1: AP view radiograph of the pelvis revealing opacity in the left acetabular fossa.
Caption: Figure 2: CT arthrogram revealing a lesion expanding medially through the acetabular fossa with sclerotic rim.