X CLOSE

Dissection of female pelvis from a lateral approach

Interior of anal canal and lower part of rectum, close-up view

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Image #162-1
Bassett Image
Diagram Image
Legend Image
Dissection of female pelvis from a lateral approach
Interior of anal canal and lower part of rectum, close-up view
The lower part of the dissection shown in the preceding photograph is shown in more detail in this close-up view centered on the anal canal.
  1. Levator ani muscle
  2. Mucosal tunic of rectum (note numerous small depressions or pits in mucosa marking the sites of lymphatic nodules (folliculi Iymphatici))
  3. Anal columns
  4. Pectinate line
  5. Anal verge
  6. Hemorrhoidal zone
  7. Internal anal sphincter muscle
  8. External anal sphincter muscle
  9. Plicae transversales of rectum
  10. Opening of uterus
  11. Anterior labium
  12. Posterior wall of vagina
  13. Vagina
  14. Upper pointer: Anterior wall of vagina Lower pointer: Vesicovaginal septum
  15. Muscular tunic of urinary bladder
  16. Urinary bladder
  17. Vesical sphincter muscle
  18. Posterior vaginal wall posterior
  19. Hymenal caruncles
  20. Vestibule of vagina
  21. Levator ani muscle (puborectalis muscle, inserting into wall of anal canal)
  22. Central tendon of perineum