A preauricular pit is a small hole in front of the upper ear, located just between the face and the cartilage of the ear rim.
When the Eustachian tube connecting the back of the nose and middle ear becomes inflamed, infected or blocked, people can experience pain, discomfort and possible hearing loss.
Ear infections can occur in the inner, middle, or outer part of the ear. They are usually due to an overgrowth of infectious bacteria or a virus.
When we are born, our brains have a lot to learn. For the newborn baby, everything they learn about the world around them comes from their senses.
A person with vertigo will have a sense of spinning dizziness. Vertigo is a symptom of a range of conditions.