posterior superior iliac spine ala of ilium posterior inferior iliac spine greater sciatic notch ischial spine lesser sciatic notch ischial tuberosity obturator foramen ischium sacrum ilium iliac crest iliac tubercle anterior superior iliac spine anterior inferior iliac spine coccyx pubic symphysis pubic tubercle iliac fossa pubis pubic crest inferior pubic rami superior pubic rami acetabulum head neck intertrochanteric line greater trochanter intertrochanteric crest lesser trochanter iliolumbar anterior sacro iliac posterior sacro iliac ischiofemoral pubofemoral sacrospinous iliofemoral sacrotuberous puborectalis obturator internus piriformis coccygeus ilococcygeus pubococcygeus ischiocavernosus external anal sphinter superior transverse perineal bulbospongiosus gluteus maximus gluteus medius gluteus minimus periformis superior gemelli obturator internus inferior gemelli quadratus femoris sciatic nerve clitoris labia majora urethra vagina rectum anal canal anus labia minora kidney ureters urinary bladder urethra uterus uterine tube ovary ureter urinary bladder vas deferens spermatic cord penis spermatic cord seminal vesicle protaste gland rectum urethra superior gluteal inferior gluteal sciatic posterior cutaneous of the thigh pudendal nerve to quadratus femoris nerve to obturator internus lumbosacral trunk nerve to piriformis abdominal aorta common iliac arteries external iliac arteries internal iliac arteries femoral arteries