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Nov 24, 2023
The tympanic membrane, also known as the eardrum, is a thin, cone-shaped membrane located in the middle ear. It separates the outer ear from the middle ear and plays a crucial role in the process of hearing.
The tympanic membrane is composed of three layers: the outer layer, which is continuous with the skin of the ear canal; the middle layer, made up of fibrous tissue; and the inner layer, which is continuous with the lining of the middle ear.
The membrane is translucent and has a pearly gray color. It is approximately 8-10 millimeters in diameter and has a thickness of about 0.1 millimeters. Its shape is concave, resembling a shallow cone, with the apex pointing inward towards the middle ear.
The tympanic membrane is highly sensitive to sound vibrations. When sound waves enter the ear canal, they cause the tympanic membrane to vibrate. These vibrations are then transmitted to the ossicles (three small bones in the middle ear) and eventually to the inner ear, where they are converted into electrical signals that can be interpreted by the brain as sound.
The tympanic membrane is a delicate structure that can be easily damaged by trauma, infection, or excessive pressure changes. A ruptured eardrum can result in hearing loss and may require medical intervention to repair.
The tympanic membrane is composed of three layers: the outer layer, which is continuous with the skin of the ear canal; the middle layer, made up of fibrous tissue; and the inner layer, which is continuous with the lining of the middle ear.
The membrane is translucent and has a pearly gray color. It is approximately 8-10 millimeters in diameter and has a thickness of about 0.1 millimeters. Its shape is concave, resembling a shallow cone, with the apex pointing inward towards the middle ear.
The tympanic membrane is highly sensitive to sound vibrations. When sound waves enter the ear canal, they cause the tympanic membrane to vibrate. These vibrations are then transmitted to the ossicles (three small bones in the middle ear) and eventually to the inner ear, where they are converted into electrical signals that can be interpreted by the brain as sound.
The tympanic membrane is a delicate structure that can be easily damaged by trauma, infection, or excessive pressure changes. A ruptured eardrum can result in hearing loss and may require medical intervention to repair.
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