Scuba Diving: Ear Pain Glossary of Terms

The following are health and medical definitions of terms that appear in the Scuba Diving: Ear Pain article.

Allergy: A misguided reaction to foreign substances by the immune system, the body system ...

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Antihistamines: Drugs that combat the histamine released during an allergic reaction by bl...

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Barotitis: Middle ear problems due to changing atmospheric pressures, as when a plane desc...

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Barotrauma: Trauma caused by rapid or extreme changes in air pressure, especially affectin...

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Decompression: 1. In general, the removal of pressure.
2. In surgery, ...

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Dizziness: Painless head discomfort with many possible causes including disturbances of ...

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Ear: The hearing organ. There are three sections of the ear, according to the anatomy tex...

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Ear drum: See: Eardrum.

Eardrum: The tympanic membrane of the ear, or tympanum. The eardrum separates the middle e...

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Emergency department: The department of a hospital responsible for the provision of medica...

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Eustachian tube: The tube that runs from the middle ear to the pharynx. The function of th...

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Membrane: A very thin layer of tissue that covers a 'surface.

Middle ear: A part of the ear that consists of the eardrum (tympanic membrane) and, beyond...

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Mouth: 1. The upper opening of the digestive tract, beginning with the lips and con...

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Nasal: Having to do with the nose.

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Nasal polyps: Benign growths that originate in the mucous membranes lining the nasal passa...

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Nausea: Stomach queasiness, the urge to vomit. Nausea can be brought on by many causes, in...

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Nose: The external midline projection from the face. The purpose of the nose is to warm, c...

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Otoscope: An instrument for looking in the ear.

Pain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pa...

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Panic: A sudden strong feeling of fear that prevents reasonable thought or action. The wor...

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Paralysis: Loss of voluntary movement (motor function). Paralysis that affects only one mu...

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Pharmacy: A location where prescription medications are sold. A pharmacy is constantly sup...

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Respiratory: Having to do with respiration.

Rupture: A break or tear in any organ (such as the spleen) or soft tissue (such as the ach...

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Sensation: In medicine and physiology, sensation refers to the registration of an incoming...

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Sinus: 1. An air-filled cavity in a dense portion of a skull bone. The sinuses decr...

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Throat: The throat is the anterior (front) portion of the neck beginning at the back of th...

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Trauma: A physical or emotional injury.

Tubes: The "tubes" are medically known as the Fallopian tubes. There are two Fallopian tub...

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Tympanic: 1. Pertaining to the tympanum (the eardrum).
2. Pertaining t...

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Tympanic membrane: The eardrum, a thin membrane that serves as a partition between the ext...

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Vertigo: Aside from being the name of a classic 1958 Alfred Hitchcock film (with Jimmy St...

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Vomit: Matter from the stomach that has come up into and may be ejected beyond the mouth, ...

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