<prompt> Which of the following is false about tympanic membraneCone of light is seen in anteroinferiorShrapnels membrane is also known as parsflaccidaHealed perforation has three layersAnterior malleolar fold is longer than posterior  <response>: The normal tympanic membrane has three layers. outer epithelial, middle fibrous and inner mucosal layer A perforation of tympanic membrane heals only by epithelial and mucosal layer without the intervening fibrous layer so healed perforation has two layers only. Ref: PL Dhingra Ear Nose and Throat; 6th edition; Pg no: 56 