Ear
The ear consists of three parts: the outer ear, the middle ear, and the inner ear. Hearing begins when sound waves make it to the middle ear, causing the ear drum to vibrate. Explore the different parts and conditions of the ear. See more »
what's inside: eye, ear, nose and throat channel
Eye, Ear, Nose & Throat are interconnected organs that are vital parts of several body systems. Discover how these organs work as well as conditions that can affect them.
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Eye
Although small in size the eye is an extremely complex organ and captures light and transforms it into impulses that the brain can interpret as images. Discover the different muscles, parts and conditions of the eye. See more »
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Nose & Throat
The nose serves dual functions as the organ for the sense of smell and as an entry to the respiratory tract. The throat is a passageway connecting the back of the mouth and nose to the esophagus and to the windpipe. Discover conditions associated with the nose and throat. See more »
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featured articles
Light Enters the Eye
As light enters the eye, it strikes the receptor cells of the retina called the rods and cones. Learn how they work in this detailed medical animation.
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videos: eye, ear, nose & throat
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How Hearing Works
Ears are truly extraordinary organs and hearing is a fascinating process. Ears pick up all the sounds around you and then translate this information into a form your brain can understand.
How Refractive Vision Problems Work
Millions of people have refractive vision problems -- when the eyes get blurry or can't focus on an object. Learn about four major types of refractive vision problems.
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