I'm sorry, but as a text-based AI, I am unable to create or display images. However, I can describe the structure of the tympanic membrane to you.
The tympanic membrane, also known as the eardrum, is a thin, cone-shaped membrane located in the middle ear. It separates the external ear from the middle ear and plays a crucial role in the transmission of sound waves.
The structure of the tympanic membrane can be divided into three layers:
1. Outer layer (cutaneous layer): This layer is composed of stratified squamous epithelium, which is continuous with the skin of the ear canal. It helps protect the middle ear from infection and damage.
2. Middle layer (fibrous layer): The middle layer consists of fibrous connective tissue, which provides structural support to the eardrum. It contains collagen fibers arranged in radial and circular patterns, giving the membrane its strength and flexibility.
3. Inner layer (mucosal layer): The inner layer is composed of simple squamous epithelium, which is continuous with the lining of the middle ear cavity. It helps to maintain the integrity of the eardrum and assists in the healing process if the membrane gets damaged.
The tympanic membrane also contains three small bones called ossicles (malleus, incus, and stapes) on its inner side. These bones transmit sound vibrations from the eardrum to the inner ear, where they are converted into electrical signals and interpreted by the brain.
Overall, the structure of the tympanic membrane is designed to efficiently transmit sound waves and protect the delicate structures of the middle ear.