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Definition of Innominate bone
1. Noun. Large flaring bone forming one half of the pelvis; made up of the ilium and ischium and pubis.
Exact synonyms: Hipbone
Generic synonyms: Bone, Os
Terms within: Acetabulum, Cotyloid Cavity
Group relationships: Hip, Pelvic Arch, Pelvic Girdle, Pelvis
Generic synonyms: Bone, Os
Terms within: Acetabulum, Cotyloid Cavity
Group relationships: Hip, Pelvic Arch, Pelvic Girdle, Pelvis
Medical Definition of Innominate bone
1. A large flat bone formed by the fusion of the ilium, ischium, and pubis (in the adult), constituting the lateral half of the pelvis; it articulates with its fellow anteriorly, with the sacrum posteriorly, and with the femur laterally. Synonym: os coxae, coxa, coxal bone, innominate bone, os innominatum. (05 Mar 2000)