Bones of Pelvis, also called bony pelvis or pelvic girdle, 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.Spine 3D CT scan is a medical procedure that uses specialized X-ray equipment and computer imaging to create a 3D visual model of your cervical spine. The cervical spine is the portion of the spine that runs through the neck so the test may also be called a neck CT scan.