Definition of ischium in English:

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ischium

Pronunciation: /ˈɪskɪəm/

noun (plural ischia /ˈɪskɪə/)

The curved bone forming the base of each half of the pelvis.
Example sentences
  • After further dissection, the surgeon exposes the pubic bone and identifies the ischium by palpation.
  • The inferior, posterior portion of the coxal bone is the ischium.
  • The pelvic component of the hip joint is called the acetabulum, which has contributions from the ischium, ilium and pubis.

Derivatives

ischial

Pronunciation: /ˈɪskɪəl/
adjective
Example sentences
  • The sacrotuberous ligament is a cartilaginous attachment of the sacrum to the ischial tuberosity.
  • Defect or nonunion of the pubic and ischial rami is occasionally observed.
  • In adolescent patients with a history of proximal hamstring injury and current ischial tenderness, a radiograph of the pelvis should be performed.

Origin

Early 17th century: from Latin, from Greek iskhion 'hip joint', later 'ischium'.

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