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 ...

The inner ear is the most complex area of the ear ... Chronic cases or those that do not improve after a few days should prompt a call to a healthcare provider. Stanford Medicine Children's Health.

All birds are warm-blooded, and all have wings, beaks, feathers, and other defining avian anatomy. However, their diet, habitats, reproductive strategies, and many other aspects of their ecology have ...

The inner ear contains the sensory organs for hearing and balance. It consists of the vesibule and the semicircular canals that contribute to the sensation of motion and the control of balance ...

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 ...

You may hear crackling or popping in your ear if you have a middle ear infection, an issue with your eustachian tube, or another condition affecting the jaw or ear. Treatment depends on the ...

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.

Otitis media can also affect adults, although it is primarily a condition that occurs in children. Middle ear infections are usually a result of a malfunction of the eustachian tube, a canal that ...

Previously described methods in the literature were unable to be used due to the complex middle ear anatomy filled with granulation tissue and the lack of a visible nasopharyngeal ET ostium available ...