Structure that DOES NOT pass through lesser sciatic foramen:
Pudendal nerve
Internal pudendal vessels
Tendon to obturator internus
Tendon to obturator externus
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: Snell's, Clinical Anatomy, 7th Edition, Page 602.