Category: P
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Pinhole pupil
A pupil of minute size; one excessively constricted; seen after use of miotics, in opium poisoning, and in certain brain disorders.
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Pupa
The stage in complete metamorphosis of an insect that follows the larva and precedes the adult or imago. The insect does not feed during this stage and usually is inactive.
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Pungency
The quality of being sharp, strong, or bitter, as an odor or taste.
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Punctoplasty
An operation to improve the drainage of tears through the lacrimal punctum of the eye when that opening is partly or completely blocked. The procedure is used to treat excessive tearing.
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Punctate rash
A rash with minute red points.
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Punctate pits
Depressed areas of the skin, especially of the palmar creases of the hands and soles.
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Punctate keratoses
Discrete yellow-to-brown firm papules of the palms and soles that appear after skin trauma, e.g., in walking or regular use of the hands or feet at work. The lesions are found in patients with a genetic predisposition to keratoderma.
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Punched out
Appearing as if holes have been made; used to describe appearance of bones (as seen on x-ray film ) in diseases like multiple myeloma.
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Punchdrunk
An imprecise term pert, to the behavioral consequences of traumatic brain injury in boxers who have received many blows to the head. If severe, cognitive and motor functions of the brain may be affected. Symptoms may resemble those of Parkinson’s disease. A state marked by speech difficulties, reduced focus, and slowed thinking. This arises from…
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Pump-oxygenator
A device that pumps and oxygenates blood.