Ear, foreign object in
Ear, foreign object in: A foreign object in the external ear canal. Foreign objects are often placed in the ear by young children or by accident while trying to clean or scratch the ear. There is often an accompanying external ear infection.
Removal of an object from the ear can be very difficult and should only be attempted by a trained health care professional. This can usually be done in the clinic or emergency room, but sometimes general anesthesia must be used if the object is lodged too deeply in the ear or the patient is uncooperative. It is important to remember that the most common reason an ear is injured from a foreign object is because of inadvertent damage incurred during the removal of the object.
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Ear, inner: A highly complex structure whose essential component for hearing is the membranous labyrinth, where the fibers of the auditory nerve connect the ear to the brain. The membranous labyrinth is a system of communicating sacs and ducts (tubes) filled with fluid (endolymph), and it is lodged within a cavity called the bony labyrinth. […]
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Ear, internal: There are three sections of the ear. They are the external ear, the middle ear, and the internal ear. The internal ear is far and away the most highly complex. The essential component of the internal ear for hearing is the membranous labyrinth, located inside the bony cochlea, where the fibers of the […]
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Ear, middle: A part of the ear that consists of the eardrum (tympanic membrane) and, beyond it, a cavity (tympanum). This cavity is connected to the pharynx (nasopharynx) via a canal known as the Eustachian tube. The middle ear cavity also contains a chain of three little bones, the ossicles (the malleus, incus, and stapes), […]
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