👉 The term "xiphoidian" is a medical term used to describe the structure of the pelvic bones, which are located in the pelvis. These bones are composed of four pairs of bones that meet at an angle and form the xiphoid process. The xiphoid process is responsible for the movement of the pelvic muscles and ligaments, allowing the pelvic organs, including the uterus, to move and stretch. The xiphoid process is also known as the pelvis hinge or the