Full Defination Of Human Ear

Ears are the hearing sense organs. Hearing is one of our important sense and ears help us hair. They enable us to communicate with each other through sounds.

Outer ear

Full Defination Of Human Ear

The outer ear is the outermost and visible portion of the ear. It consist of two parts, auricle or pinna and the external auditory Canal or ear canal.

Inner ear

Full Defination Of Human Ear

The inner ear is the innermost part of the ear. It consists of the organ of hearing known as the cochlea and the organ of balance called the labyrint. The cochlea is a curled tube containing liquid that receives sound vibrations. The cochlea is also lined with tiny hairy cells that vibrate after receiving the sound waves and create nerve signals. The signals are sent to the brain to interpret them as sound.

Eustachian tube

Full Defination Of Human Ear

The Eustachian tube is a small tube that connects the middle ear and the back of the nose. It acts like a pressure valve and equalises the pressure between the middle ear and the atmosphere. It also allows fluid to drain from the middle ear. Infections and allergies cause the swelling of the eustachian tube which in turn causes ear infections.

Earwax

Full Defination Of Human Ear

Earwax is a soft yellowish wax produced inside the ear canal. The glands in the outer portion of the skin of the ear Canal produce ear wax. Earwax contains Chemicals that protect the ear Canal from infections. These infections could damage the skin inside the ear canal. Earwax also collects dirt to help keep the ear Canal clean.

Otitis media

Full Defination Of Human Ear

Otitis media is a middle ear infection. It is generally a bacterial or viral infection and commonly strikes children. Earache, high fever, nausea, vomiting, and diarrhoea are the common symptoms of otitis media. It can cause severe loss of hearing, paralysis, and meningitis. There are three main types of otitis media -acute, chronic, and serious.

Presbycusis

Full Defination Of Human Ear

Presbycusis is the gradual loss of hearing that occurs with ageing. Hearing loss associated with the presbycusis is usually greater for high-pitched sounds. Presbycusis occurs most often in both ears, affecting both equally. People who have presbycusis may not realise the loss of hearing because the process is gradual.

Milan Tomic

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