Pelvic Diaphragm: Female Anatomy Piriformis muscle, Ischial spine, Coccygeus muscle, Medial view, Arcuate line, Obturator internus muscle and obturator fascia (cut), Tendinous arch of levator ani muscle, Obturator canal, Iliococcygeus muscle (part of levator ani muscle), Rectum, Pubococcygeus muscle (part of levator ani muscle), Urethra, Vagina, Sphincter urethrae muscle, Left puboanalis (puborectalis) muscle and perineal membrane, Compressor urethrae muscle and urethrovaginal sphincter (portions of sphincter urethrae muscle), Left levator ani muscle (cut), External anal sphincter muscle, Superficial and deep transverse perineal muscles, Lateral view, Median sacral crest, Sacrotuberous ligament (cut), Coccygeus muscle, Sacrospinous ligament (cut), Coccyx, Piriformis muscle, Greater sciatic foramen, Ischial spine, Iliococcygeus muscle (part of levator ani muscle), Tendinous arch of levator ani muscle, Pubococcygeus muscle (part of levator ani muscle), Puboanalis (puborectalis) muscle (part of levator ani muscle), Rectum Vagina, Pubic bone (cut surface), Deep dorsal vein of clitoris, Urethra. Muscle, Ischial spine, Coccygeus, Coccyx, Medial view, Arcuate line of ilium, Obturator internus muscle and obturator fascia (cut), Tendinous arch of levator ani muscle, Obturator canal, Pubic bone (cut surface), Iliococcygeus muscle, Rectum, Pubococcygeus muscle (part of levator ani muscle), Urethra, Vagina Pubic symphysis, Inferior (arcuate), pubic ligament, Deep dorsal vein of clitoris, Inferior pubic ramus, Urethra, Vagina, Anus, Rectum, Musculofascial extensions to urethra, Musculofascial extensions to vagina, Interdigitating fibers of perineum, Puboanalis (puborectalis) muscle (part of levator ani muscle), Puboanalis (puborectalis), Levator, ani muscle, Pubococcygeus muscle (part of levator ani muscle), Pubococcygeus, Tendinous arch of levator ani muscle, Obturator internus muscle, Iliococcygeus muscle (part of levator ani muscle), Iliococcygeus, Ischial tuberosity, Ischial spine, Obturator internus tendon, Sacrospinous ligament, Sacrotuberous ligament, Piriformis muscle, Median raphe of levator ani muscle, Anococcygeal body (ligament) (attachment of external anal sphincter muscle), Anococcygeal body (ligament), Tip of coccyx, Ischial spine, Coccygeus muscle Piriformis muscle (cut), Sacrospinous ligament (cut), Sacrotuberous ligament (cut), Sacrum