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Pronunciation: is'ke-um, is'ke-i, is'ke-a

Definition: The lower and posterior part of the hip bone, distinct at birth but later becoming fused with the ilium and pubis; it consists of a body, where it joins the ilium and superior ramus of the pubis to form the acetabulum, and a ramus joining the inferior ramus of the pubis.

Synonym(s): os ischiiTA, ischial bone

[Mod. L. fr. G. ischion, hip]
