acetabulum

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acetabulum

 [as″ĕ-tab´u-lum] (pl. aceta´bula) (L.)
the cup-shaped cavity on the lateral surface of the hip bone in which the head of the femur articulates.
 Acetabulum, showing the cup-shaped cavity (A), and its articulation with the femur (B). From Dorland's, 2000.

ac·e·tab·u·lum

, pl.

ac·e·tab·u·la

(as-ĕ-tab'yū-lŭm, -lă), [TA]
A cup-shaped depression on the external surface of the hip bone, with which the head of the femur articulates.
Synonym(s): cotyle (2) , cotyloid cavity
[L. a shallow vinegar vessel or cup]

acetabulum

/ac·e·tab·u·lum/ (as″ĕ-tab´u-lum) pl. aceta´bula   [L.] the cup-shaped cavity on the lateral surface of the hip bone, receiving the head of the femur.

acetabulum

(ăs′ĭ-tăb′yə-ləm)
n. pl. acetabu·la (-lə)
1. Anatomy The cup-shaped cavity at the base of the hipbone into which the ball-shaped head of the femur fits.
2. Zoology A cavity or socket in the body of an insect into which an appendage fits.
3. Zoology A cup-shaped structure, such as the sucker of a tapeworm or leech.

ac′e·tab′u·lar (-lər) adj.

acetabulum

[as′ətab′yələm] pl. acetabula
Etymology: L, vinegar cup
the large, cup-shaped cavity at the juncture and lateral surface of the ilium, the ischium, and the pubis, in which the ball-shaped head of the femur articulates.
enlarge picture
Acetabulum

Acetabulum

A deep semispherical socket cavity in the lateral surface of the hip, with which the femoral head articulates, located at the convergence of the ilium, ischium, and pubis. The acetabulum is functionally comprised of two columns (anterior and posterior) and two walls (anterior and posterior).

ac·e·tab·u·lum

, pl. acetabula (as-ĕ-tab'yū-lŭm, -lă) [TA]
A cup-shaped depression on the external surface of the hip bone, with which the head of the femur articulates.
Synonym(s): cotyloid cavity.
[L. a shallow vinegar vessel]

acetabulum

(as″ĕ-tab′ū-lŭm) [L., a little saucer for vinegar]
Enlarge picture
ACETABULUM OF RIGHT HIP BONE (FEMALE)
The cavity or depression on the lateral surface of the innominate bone (hip bone). This bone is composed of the three bones ilium, ischium, and pubis, and provides the socket into which the head of the femur fits. acetabular (-lăr), adjective See: illustration

acetabulum

The socket in the side of the bony pelvis into which the spherical head of the thigh bone (FEMUR) fits. The word is derived from the Latin acetum , vinegar and abulum , the diminutive of abrum , a container. The acetabulum was thought to resemble a small vinegar cup.

acetabulum

one of two cup-shaped sockets in the PELVIC GIRDLE articulating with the ball of the FEMUR.

Acetabulum

The large cup-shaped cavity at the junction of pelvis and femur or thigh bone.
Figure 1: The nervous system.

acetabulum

(from the Latin for a vinegar-cup) the cup-shaped cavity on each side of the pelvis into which the head of the femur fits, forming the 'ball-and-socket' of the hip joint. Figure 1.

acetabulum

cup-shaped depression formed at the junction of the ischium, ilium and pubis on the external surface of the pelvis into which the head of the femur fits

acetabulum (a·s·taˑ·by·lm),

n the bowl-shaped cavity that houses the rounded tip of the femur, where the ischium, pubis, and ilium join.
Enlarge picture
Acetabulum.

ac·e·tab·u·lum

, pl. acetabula (as-ĕ-tab'yū-lŭm, -lă) [TA]
A cup-shaped depression on the external surface of the hip bone, with which the head of the femur articulates.
Synonym(s): cotyloid cavity.
[L. a shallow vinegar vessel]

acetabulum (as´ətab´yələm),

n a cup-shaped attachment site located laterally on the hip bone for the head of the femur.

acetabulum

the cup-shaped socket of the hip joint that receives the head of the femur. See also acetabular.

inherited acetabulum defect
in Dole horses; clinically normal at birth, osteoarthritis and round ligament disruption develop later.