1 — Anococcygeal body; Anococcygeal ligament; 2 — Coccyx [coccygeal vertebrae CoI-CoIV]; 3 — Sacrum [sacral vertebrae SI-SV]; 4 — Anus; 5 — External anal sphincter; 6 — Perineal body; 7 — Sacrotuberous ligament; 8 — Inferior fascia of pelvic diaphragm; 9 — Obturator fascia; 10 — Ischial tuberosity; 11 — Obturator internus; 12 — Lunate surface; 13 — Transverse acetabular ligament; 14 — Acetabular fossa; 15 — Perineal fascia; Superficial investing fascia of perineum; Deep perineal fascia; 16 — Vagina; 17 — Pubic tubercle; 18 — Female urethra; 19 — Inferior pubic ligament; 20 — Pubic symphysis; 21 — Transverse perineal ligament; 22 — Deep transverse perineal muscle; 23 — Anterior inferior iliac spine; 24 — Ilium; 25 — Anterior superior iliac spine; 26 — Iliac crest; 27 — Superficial transverse perineal muscle; 28 — Ischial spine; 29 — Ischiococcygeus; Coccygeus; 30 — Levator ani; Puborectalis; 31 — Posterior superior iliac spine; 32 — Levator ani; Iliococcygeus
