pelvis 1 (human): A female, B male, C right hip bone, D lateral view, E medial view; 1 sacrum, 2 coccyx, 3 symphysis, 4 ilium, 5 pubis, 6 ischium, 7 acetabulum, 8 sacral foramen, 9 ischial tuberosity, 10 lesser sciatic notch, 11 ischial spine, 12 greater sciatic notch, 13 posterior inferior iliac spine, 14 posterior superior iliac spine, 15 iliac crest, 16 anterior superior iliac spine, 17 anterior inferior iliac spine, 18 acetabular notch, 19 superior ramus of pubis, 20 pubic tubercle, 21 pubic crest, 22 obturator foramen, 23 inferior ramus of pubis, 24 inferior ramus of ischium, 25 iliac fossa, 26 articular surface for sacrum, 27 sacroiliac joint, 28 sacral promontory