PERVASIVE DEVELOPMENTAL DISORDER NOT OTHERWISE SPECIFIED (PDDNOS)

in the DSM-IV-TR, a residual class consisting of pervasive growth-related disorders marked by handicapped growth of cultural interaction skills correlated with communication problems or...

PHAKOSCOPE (PHACOSCOPE)

noun. A tool which allows the shape of the eye's lens to be viewed, in addition to the modifications in its form which take...

PHANTOM

noun. 1. an illusion without tangible substance. 2. the sensation that a body part or limb which has been amputated, is still present.

PHASE LOCKING

the propensity for a neural action potential to take place at a particular stage of a pure-tone stimulant. Typically, an action potential will not...

PHENOMENOLOGICAL THEORY

an approach to personality theory which places queries of peoples' present experiences of themselves and their world at the core of analysis of character...

PHEROMONE

noun. an exterior chemical messenger which impacts and alters the behavior of other members within the same species. Commonly referred to as ectohormone.

PHLEBOTOMY

noun. removal of blood from the body for reasons of diagnostic or therapy. This is typically attained by inserting a catheter or needle into...

PHONEMIC DISORDER

a disruption involving phonemes, the speech noises which differentiate terms from each other.

PHONOSURGERY

noun. surgical intervention to preserve or better the voice or the ease with which phonation takes place. The word is most commonly utilized as...

PHOTON

noun. 1. someone quantum of electromagnetic radiation.

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