plural of coxa

(anatomy) The basal segment of a limb of various arthropods (insects and spiders, for example).

(anatomy) The pelvis.

plural of os coxae

A hip deformity where the angle between the head and neck of the femur and its shaft is increased, usually above 135 degrees.

A hip deformity where the angle between the head and shaft of the femur is reduced to less than 120 degrees, resulting in a shortened leg and a limp.