Auditory prosthesis
Auditory prosthesis: A device that enhances the ability to hear or substitutes for it. More commonly called a hearing aid. See: Hearing aid.
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- Auditory tube
Auditory tube: The tube that runs from the middle ear to the pharynx, also known as the Eustachian tube. The function of this tube is to protect, aerate and drain the middle ear (and mastoid). Occlusion of the Eustachian tube leads to the development of middle ear inflammation (otitis media). This tube is also called […]
- Aura
Aura: A sensation perceived by a patient that precedes a condition affecting the brain. An aura often occurs before a migraine or seizure. It may consist of flashing lights, a gleam of light, blurred vision, an odor, the feeling of a breeze, numbness, weakness, or difficulty in speaking..
- Auricle
Auricle: 1. The principal projecting part of the ear. Also called the pinna. 2. Something ear shaped such as the upper chambers of the heart. Also called the atria. Auricle is not to be confounded with oracle. Neither the pinna nor the atria possess oracular powers.
- Auricular
Auricular: Of or pertaining to the outer ear, or to something else that is ear-shaped, such as the atrium of the heart.
- Auscultate
Auscultate: To listen, for diagnostic purposes, to the sounds made by the internal organs of the body. For example, nurses and physicians auscultate the lungs and heart of a patient by using a stethoscope placed on the patient’s chest or back.