Category: P
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Psychic determinism
The theory that mental processes are determined by conscious or unconscious motives and are never irrelevant.
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Psychiatric technician
A technician who works under the supervision of a professional in the care of mentally ill patients in a psychiatric care facility. This person assists in carrying out the prescribed treatment plan and assigned individual and group activities with patients.
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Psychauditory
To the perception and interpretation of sounds.
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Psorophthalmia
Marginal inflammation of the eyelids with ulceration.
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Pustular psoriasis
Psoriasis in which small sterile pustules form, dry up, and then form a scab.
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Psoriasiform
Resembling psoriasis; psoriasis-like. Applies to a rash that resembles the plaque like erythematous lesions of psoriasis; also used in reference to joint conditions resembling those of psoriatic arthritis.
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Psoralen
One of a group of plant-derived chemicals that sensitize the skin to damage by ultraviolet light. Drugs derived from psoralens, such as methoxsalen and trioxsalen, are used to treat vitiligo, psoriasis, and cutaneous T-cell lymphoma. Side effects from the use of psoralens may include drying and chapping of the skin and an increased risk of…
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Psi phenomena
Occurrences, events, or actions that have no scientific explanation (e.g., extrasensory perception, clairvoyance, precognition, psychokinesis, and telepathy).
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Pseudoword
A string of letters that can be pronounced by literate people but has no meaning. The ability to read and pronounce pseudowords is impaired in people who have difficulty reading, e.g., children with dyslexia or some adults with brain damage or stroke.
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Pseudotuberculosis
A group of diseases that resemble tuberculosis but are due to an organism other than the tubercle bacillus. In humans the most common cause is Yersinia pseudotuberculosis, a gram-negative organism.