Tympanic membrane.
Report Abuse. The ear drum, or tympanic membrane, is made up three layers. An outer covering of squamous epithelium, a middle layer of connective tissue and an inner layer of mucous epithelium. The outer squamous epithelium grows from the center outward. The outer ear also contains the ear canal and the ear drum (tympanic membrane). The middle ear: is the area behind the ear drum. This part of the ear is made of three movable bones called ossicles. The function of these three bones is to convert the sound wave (by striking the eardrum) into mechanical vibrations. The outer ear refers to the ear canal that is approximately one inch in length and ends at the level of the eardrum (known as the tympanic membrane). The eardrum identifies the beginning of the middle ear, which is a cavity in the bone of the skull that houses the three bones of hearing (known as ossicles). The eardrum is made of membrane known as tympanic membrane. When sound waves strike it, the eardrum passes on the vibrations to the ear ossicles. In human anatomy, the eardrum, or tympanic membrane, is a thin, cone-shaped membrane that separates the external ear from the middle ear in humans and other tetrapods. Its function is to transmit sound from the air to the ossicles inside the middle ear, and then to the oval window in the fluid-filled cochlea. A ruptured eardrum is a tear in the thin membrane that separates your outer ear from your inner ear. That membrane, known as the tympanic membrane, is made of tissue that resembles skin. The eardrum serves two important functions in your ear. Best Answer: The eardrum itself is called a membrane which means it is like a thin piece of material stretched tight over the ear canal and it separates the middle ear from the outer ear. In biology a membrane is a layer that separates two structures-in this case, the middle ear and The outer layer consists of a thin layer of skin, the middle layer is made of fibrous tissue and the inner layer is mucosa (similar to the tissue in the mouth and nose). The tympanic membrane is secured to the sidewalls of the end of the outer ear canal by a thick band of tissue called the tympanic ring or annulus.
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what is the eardrum made of