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118 HealthJournals

Ear, nose and throat anatomy

The external and internal parts of the ear are the hearing and equilibrium system of the body. The nose is a part of the upper respiratory tract. It contains the organ of smell. The throat is involved in both digestion and respiration. It receives food and air from the mouth, and air from the nasal cavities.

Nose diseases and disorders

The nose filters the air we breathe and carries our sense of smell, which shapes taste. Its problems range from injuries, allergies, sneezing and enlarged adenoids to nasal cancer, along with rhinoplasty and saline rinses, and smell and taste disorders such as anosmia, ageusia and Kallmann syndrome.

Throat diseases and disorders

Most throat problems, like a sore throat, are minor and caused by a virus, and go away on their own. Others range from strep throat, tonsillitis, hoarseness and a lasting cough to voice disorders such as spasmodic dysphonia, swallowing problems like achalasia, snoring, and conditions a baby is born with, like laryngomalacia.

Ear, nose and throat infections

Ear, nose and throat infections are among the most common illnesses, caused mostly by viruses and sometimes by bacteria. They include the common cold, flu, sinusitis, strep throat, laryngitis and ear infections such as swimmer's ear.

Ear, nose and throat tests

Ear, nose and throat tests check hearing, the nerves of the head and the thyroid. They include newborn hearing screening, hearing tests for children and adults, the cranial nerve exam and thyroid cancer screening.

Ear, nose and throat disorders in specific populations

Some ear, nose and throat disorders affect children or older adults in particular. In children they include hearing problems, Pendred syndrome and rare cancers such as nasopharyngeal cancer; in older adults, age-related hearing loss and balance problems.

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