Pelvis, in human anatomy, basin-shaped complex of bones that connects the trunk and the legs, supports and balances the trunk, and contains and supports the intestines, the urinary bladder, and the internal sex organs. Learn more about the pelvis in this
connected in front at the pubic symphysis and behind by thesacrum; each is made up of three bones—the blade-shapedilium, above and to either side, which accounts for the width of thehips; theischium, behind and below, on which the weight falls in sitting; and thepubis, in front. All...