Acetabulum

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Related to acetabula: hip joint

Acetabulum

An ancient Roman unit of volume approximately equivalent to 68 milliliters.
References in periodicals archive ?
grupo desajunos: garras con ocho <<garritas laterales>>, acetabula ligeramente elongados; integrado por la especie N.
grupo schindowskii: garras simples, ojo medio muy reducido y campo genital con acetabula pedunculados, redondos y un fuerte par de escleritos genitales; este grupo tiene, ademas, una distribucion restringida a los Andes australes de Chile, esta integrado por N.
Neocalonyx (Paracalonyx), cuya caracteristica distintiva es la de poseer pelos natatorios, ojo medio, garras de las patas con <<garritas laterales secundarias>> y acetabula pedunculados y redondos; esta integrado por la especie N.
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.