acetabulum

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Related to acetabula: hip joint

acetabulum

[‚a·sə′tab·yə·ləm]
(anatomy)
A cup-shaped socket on the hipbone that receives the head of the femur.
(invertebrate zoology)
A cavity on an insect body into which a leg inserts for articulation.
The sucker of certain invertebrates such as trematodes and tapeworms.
References in periodicals archive ?
Neocalonyx (Odontocarus) con garras simples, escleritos y pelos genitales reducidos y acetabula elongados y ligeramente puntiagudos; contiene las especies N.
230; campo genital, longitud incluidas los acetabula, 365; ancho, 514; esclerito genital medio con abundantes setas con ramas laterales cortas e irregulares, 22/24, ubicadas particularmente en el extremo posterior; tambien se encuentran algunas (12/13) en el borde posterior del arco del esclerito genital, debajo de los acetabula (Fig.
De acuerdo con lo estudiado respecto a las garritas laterales, cuyo numero parece ser variable, carece de sentido el grupo creado para contener esta especie (grupo tenuirostris) cuya caracteristica era la de poseer garras con dos a tres garritas y acetabula elongados (Goldschmidt & Gerecke, 2003), proponemos que se integre al grupo godeti.
The nymphs are unusual in having three to five pairs of genital acetabula.
Genital acetabula five pairs; female genital field with two pairs of acetabular plates; anterior female plates with an 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 miniscule but bearing large, obvious clawlets; dorsum with obvious dorsal plates; male genital field as in Neoatax; male fourth walking leg slightly modified with genu and tibia with enlarged dorsal spines; first walking leg with short, thick setae and similar in both sexes; tarsal claws of walking legs very large and simple.