<prompt> Structure that DOES NOT pass through lesser sciatic foramen:Pudendal nerveInternal pudendal vesselsTendon to obturator internusTendon to obturator externus  <response>: Lesser sciatic foramen is formed by the lesser sciatic notch and the sacrotuberous and sacrospinous ligaments. Structures that pass through the foramen are:Tendon to obturatur internusNerve to obturatur internusPudendal nerve andInternal pudendal aery and veinRef: Snells, Clinical Anatomy, 7th Edition, Page 602. 