The eustachian tube connects the middle ear to the upper throat and nasal cavity. It's lined with mucous and helps regulate pressure around the eardrum so that sound waves can be transferred. Ears can ...

Health conditions affecting the vestibular nerve or the inner ear cause loss of balance and falls, hearing loss, and symptoms like uncontrollable eye movements, dizziness, vertigo, nausea, and ...

Conductive hearing loss usually due to problems in external ear; sensorineural hearing loss usually results from middle- or inner-ear disorders. Figure 1B. High-frequency sounds cause basilar ...

Navaornis hestiae lived 80 million years ago in Brazil Scientists digitally reconstruct its brain and inner ear Its brain ... its brain and inner ear anatomy based on the shape of the braincase.

Navaornis exhibits some unique characteristics like a vestibular apparatus, the organ of balance in the inner ear, larger than in any other known bird. "There was a significant gap (in the fossil ...

Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions of people worldwide every day. Reuters provides business, financial ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

Animal physiology is the scientific study of the life-supporting properties, functions and processes of animals or their parts. The discipline covers key homeostatic processes, such as the ...

A tympanometer is a hand-held probe that is placed in the ear to measure energy transmission through the middle ear. It can be used to test the condition of the middle ear, determining whether it ...

The Wilson Center’s Middle East Program serves as a crucial resource for the policymaking community and beyond, providing analyses and research that helps inform US foreign policymaking, stimulates ...