Author: Glossary
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Phenylamine
The simplest aromatic amine, an oily liquid derived from benzene. It is used in manufacture of dyes for medical and industrial purposes.
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Phenozygous
Possessing a cranium much narrower than the face.
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On-off phenomenon
In Parkinson’s patients, the alternating periods of good control (“on”) and poor control (“off’) of their symptoms. The on-off phenomenon is often experienced in patients undergoing L-dopa therapy.
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Disperse phase
The state of a substance in a heterogeneous system in which particles are separated from each other (e.g., oil particles in water).
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Continuous phase
The state of a substance in a heterogeneous system in which particles are continuous (e.g., the water particles in which oil has been dispersed).
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Aqueous phase
The water portion of a mixture of liquids and solids.
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Pharyngotonsillitis
Inflammation of the pharynx and tonsils.
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Pharyngotome
An instrument for incision of the pharynx.
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Pharyngostenosis
Narrowing or stricture of the pharynx.
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Pharyngoscopy
Visual examination of the pharynx.