Dissection of female pelvis from a lateral approach

Interior of vagina, viewed from right side

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Image #161-1

Dissection of female pelvis from a lateral approach Interior of vagina, viewed from right side The vagina has been opened along its right border. Its walls have been separated to permit a view of the interior. 1 . Fornix of vagina 2 . Middle rectal artery 3 . Opening of uterus 4 . Posterior wall of vagina 5 . Superior fascia of pelvic diaphragm 6 . Rectum 7 . Vaginal venous plexus 8 . Levator ani muscle (cut off) 9 . External anal sphincter muscle (superficial and deep portions, partially removed) 10 . Upper pointer: Urethral carina Lower pointer: Posterior neck fold 11 . Muscular tunic of anal canal (longitudinal layer) 12 . External anal sphincter muscle (subcutaneous part) 13 . Central tendon of perineum 14 . Hymenal caruncles 15 . Vestibule of vagina 16 . External urethral opening 17 . Urogenital diaphragm 18 . Labium minus 19 . Labium majus 20 . Vaginal artery 21 . Inferior vesical artery 22 . Posterior labium uterine opening 23 . Anterior labium uterine opening 24 . Left pointer: Posterior vaginal wall anterior Right pointer: Anterior wall of vagina 25 . Urinary bladder 26 . Vesical venous plexus 27 . Vesical sphincter muscle 28 . Pubic arcuate ligament (cut in midline) 29 . Dorsal vein of clitoris 30 . Commissure of vestibular bulb 31 . Body of clitoris 32 . Glans of clitoris