Author: Glossary
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Off-label drug use
The use of a drug to treat a condition for which it has not been approved by the U.S. Food and Drug Administration (FDA), especially when such use may relieve unpleasant symptoms, or prove compassionate. During the drug approval process in the U.S., drug manufacturers present carefully accumulated data to the FDA about the safety…
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Office-based
Occurring in an outpatient setting rather than in a hospital or another inpatient setting.
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Office
A room, suite, or building used for professional, commercial, or bureaucratic work.
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Oestrus ovis
A botfly that may cause ocular myiasis in humans.
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Oesophagostomiasis
Infection with the nematode of the genus Oesophagostomum.
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Odynacusis
A condition in which noise causes pain in the ear.
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Odorant
Something that stimulates the sense of smell.
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Body odor
The aroma or fragrance emanating from the human body. It may be derived from sweat gland secretions, urine, feces, expiration, saliva, breasts, skin, and sex organs. The major sources are the eccrine and apocrine sweat glands. Sebaceous gland secretions from the skin contribute to these odors. Eating garlic or onions or taking certain drugs may…
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Odontoscopy
Examination of the teeth and oral cavity by use of an odontoscope.
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Follicular odontoma
A bony shell in the gums below the tooth margin, usually appearing after the second dentition. It is due to an excessive number of dental follicles. The tumor often involves one or more teeth and is crepitating to pressure.