The pubis is one of the three pelvic bones which fuse together to form the pelvic girdle. The pubis is located just to the front and below the bladder. In the center of the pubis is the symphysis, which marks a point of fusing of the two sides of the pubis. The pubis features two segments on each side of the symphysis pubis. These two segments are divided at the pubic tubercle. The upper segment is called the superior pubic ramus, and it joins with the ala, or wings, or the ilium. The lower of the two segments is called the inferior pubic ramus and it joins with the ischium of the pelvis. Research Pubis