<prompt> Structure passing deep to sacrococcygeal ligament are all exceptS5 nerveCoccygeal nerveFilum terminaleInternal pudendal aery  <response>: Ans: D Internal pudendal aerylRef. Textbook of human anatomy Pa-3 p. 811Structures passing through sacral hiatus deep to sacrococrygeal ligament are :-5th sacral nerveCoccygeal nerveFilum terminale 