Outer layer of the pars tensa called the cutaneous layer is lined by which of the following type of epithelium?: (A) Simple cuboidal epithelium, (B) Ciliated columnar epithelium, (C) Stratified squamous epithelium, (D) Keratinised squamous epithelium
Answer is C. Pars tensa of the tympanic membrane is a funnel shaped area that stretches between the malleus handle and bony ear canal. It is composed of 3 layers, outer cutaneous layer, middle lamina propria and the inner mucosal layer. The cutaneous layer is lined by smooth stratified squamous epithelium. Inner mucosal layer consist of a single layer of squamous epithelium.