Which of the following is false about tympanic membrane:: (A) Cone of light is antero-inferior, (B) Shrapnell's membrane is also known as pars flaccida, (C) Healed perforation has 3 layers, (D) TM attachment to tip of malleus handle is called umbo
Answer is C. (c) Healed perforation has 3 layers(Ref. Scott Brown, 8th ed., Vol 2; 529)The TM membrane which heals by itself does not have the fibrous layer. It has 2 layers only, the outer epithelial and the inner endothelial.Rest are true