The outer ear's skin acts as a protective barrier against germs. But when there is damage to this layer, bacteria or fungus can grow excessively, leading to an outer infection and what feels like ...

The presence of two types of hair cells, the inner and outer hair cells, in the organ of Corti was appreciated nearly a 100 years ago but the function of the two has only become clear in the last 20 ...

The ear is a physically complex sense organ, especially in mammals. Because some of the ear’s structure involves bones, much of the evolution of the ear can be followed through the fossil record. The ...

Hearing loss is when you’re unable to partially or completely hear sound in one or both of your ears. It can occur in the outer, middle, or inner ear. Hearing loss typically occurs gradually ...

The inner ear is divided into two fluid filled chambers - one inside the other. Figure 3 illustrates the basic organization of both the organs of hearing and balance. The fluid in the two chambers ...

Excessive use of earbuds at high volumes can lead to long-term hearing damage and ear infections. Experts recommend following safe listening practices, like the 60/60 rule, to protect your hearing.

Conductive hearing loss, which most commonly happens in childhood, occurs when sounds do not reach the inner ear. Sound waves are blocked in the outer or middle ear due to ear infections ...

Researchers have developed a method that shows how the nervous system and sensory organs are formed in an embryo. By labeling stem cells with a genetic 'barcode', they have been able to follow the ...