Otoplasty
Plastic surgery to reshape the outer ear.
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- Otosclerosis
The abnormal formation of new bone in the middle ear that gradually immobilizes the stapes (stirrup bone) and prevents it from vibrating in response to sound, causing a progressive conductive loss of hearing. Otosclerosis usually affects both ears. It is a common disorder, especially among young women. Pregnancy may trigger it.
- Otoscope
An instrument for looking in the ear.
- Ounce
A measure of weight equal to 1/16th of a pound or, metrically, 28.35 grams. The abbreviation for ounce is oz.
- Outer ear
The part of the ear that is visible along the side of the head. The outer ear consists of the pinna, or auricle (the visible projecting portion of the ear), the external acoustic meatus (the outside opening to the ear canal), and the external ear canal, which leads to the eardrum. The outer ear concentrates […]
- Outlet
The exit or opening. The means by which something escapes.