Category: P

  • Percentile

    A number corresponding to a score or measure, that is the percentage of the same measure that the score equals or exceeds. One of 100 divisions into which a group of scores is ranked, such as children’s scores from a standardized test; the particular division into which the child’s score falls is often the reported…

  • Perceived similarity theory of identification

    A theory of identification.  

  • Perceived attitude similarity

    The degree to which another person’s attitudes are thought to be like one’s own.  

  • Peptonization

    Precipitation or digestion of casein. The action by which proteolytic enzymes break proteins into peptones.  

  • Pepsinogen

    A substance secreted by the stomach from which pepsin is derived. High levels of the blood appear to be associated with a predisposition to peptic ulcer. A secretion from the gastric gland which is the inactive form of pepsin. The inactive precursor form of pepsin. Precursor of the digestive enzyme pepsin; it is stored in…

  • Pentobarbital sodium

    A short-acting barbiturate.  

  • Pentadactyl

    Having five digits or fingers. Having five digits on each hand and foot.  

  • Pension

    The amount of money paid at regular intervals to a retired employee.  

  • Penrose drain

    A cigarette drain composed of rubber tubing containing a length of absorbent tubing.  

  • Penoscrotal raphe

    The scar-like line on the underside of the penis, running from the anus to the glans penis. The formed in male prenatal development from the fusion of the urinogenital sinus that closes to form the tubular urethra within the penis.