<prompt> Ostmann fat pad is related toEar lobuleBuccal mucosaEustachian tubeTip of nose  <response>: There are small fat bodies located inferomedial to Eustachian tube. These are called Ostmann fat padsThey are impoant in normal closure of Eustachian tube and preventing transmission of nasopharyngeal pressure to the middle earThese fat pads are absent in patulous tube syndromeRef: PL Dhingra, Diseases of Ear, Nose Throat, 7th edition, pg no. 62 