acetabula


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Related to acetabula: hip joint

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·la

(as-ĕ-tab'yū-lă),
Plural of acetabulum.

acetabula

ac·e·tab·u·la

(as-ĕ-tab'yū-lă)
Plural of acetabulum.
References in periodicals archive ?
Genital acetabula three to many pairs; female genital field with two pairs of acetabular plates; anterior female plates with an elognate, inner flap that is heavily sclerotized and bears one or two, short, thick, spinous, setae; posterior female plate modified and resembling Polyatax, but with fewer acetabula; coxal plates variable, with one species, U.
Genital acetabula five pairs; female genital field with two pairs of acetabular plates; anterior female plates with a slightly elongate, inner flap that is heavily sclerotized and bears one or two, short, thick, spinous, setae; posterior female plate unmodified; pedipalp subcylindrical and well-sclerotized with tarsus usually elongate quadrate in outline with large, obvious clawlets; dorsum with obvious dorsal plates; male genital field as in Polyatax; male fourth walking leg modified, especially genu, but the tibia is essentially unmodified; tarsal claws of walking legs bifid; coxal plates with obvious borders.
The nymphs are unusual in having three to five pairs of genital acetabula.