Tuba auditiva

Tuba Auditiva, also known as the Eustachian tube, is a tube that links the pharynx to the middle ear. In humans, the Eustachian tube is approximately 35mm long. It is named after the sixteenth-century anatomist Bartolomeo Eustachi.

Function

The primary function of the Tuba Auditiva is to equalize the pressure in the middle ear with the pressure in the atmosphere outside the body. This is crucial for the proper functioning of the ear drum, as unequal pressure can lead to discomfort and potential damage to the ear drum and ossicles. The Eustachian tube also drains mucus from the middle ear.

Anatomy

The Tuba Auditiva is divided into two parts: the lateral one-third, which is bony and lined with bone, and the medial two-thirds, which is cartilaginous and lined with mucous membrane. The tube is normally closed but opens when we swallow, yawn, or chew.

Clinical significance

Dysfunction of the Tuba Auditiva can lead to otitis media, a group of inflammatory diseases of the middle ear. This can result in pain, fever, and in severe cases, hearing loss. Treatment typically involves medication to reduce inflammation and swelling, and in some cases, surgery may be required.

See also

• Ear
• Otitis media
• Bartolomeo Eustachi

References

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