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ENT General 75bb52e5

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
High-Yield Explanation
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.

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