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Ischium   Listen
noun
Ischium, Ischion  n.  
1.
(Anat.) The ventral and posterior of the three principal bones composing either half of the pelvis; seat bone; the huckle bone.
2.
(Zool.) One of the pleurae of insects.





Collaborative International Dictionary of English 0.48


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"Ischium" Quotes from Famous Books



... The pelvic girdle differs from the pectoral in most land vertebrata in being articulated with the vertebral column. This difference does not exist in fishes. It consist in the rabbit of four bones; the ilium (i.), the ischium (is.), the pubis (pb.), and the small cotyloid bone— the first two and the latter one meeting in the acetabular fossa (ac.) in which the head of the femur works. The pubes and ischia are fused along the mid-ventral line. Many morphologists ...
— Text Book of Biology, Part 1: Vertebrata • H. G. Wells


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