The tympanic membrane, or eardrum, consists of three layers: the outer layer (cutaneous layer) made of skin, the middle layer (fibrous layer) which contains connective tissue providing strength and flexibility, and the inner layer (mucosal layer) that is lined with mucous membrane. These layers work together to transmit sound vibrations from the outer ear to the middle ear. The fibrous layer is particularly important for the membrane's structural integrity and vibrational properties.
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