Category: S

  • Standard patient

    An actor who is trained to represent a patient during a clinical encounter with a health care provider. His or her performance is used in health-care education to help trainees recognize the signs and symptoms of diseases and how to gather and relay information during a patient interview.  

  • Standardized uptake value

    The amount of radioactive tracer detected by a positron-emission tomographic scan during imaging of a body part. The SUV is equal to the tissue tracer taken up by the tissue of interest, divided by the injected dose of tracer, divided by the body weight of the patient. The SUV is used radiologically to distinguish benign…

  • Standard drink

    In alcohol-related research either one 12 oz serving of beer, 5 oz of wine, or 1.5 oz of distilled spirits.  

  • Stalking

    A form of harassment in which one person repeatedly calls, follows, or writes to another even though these attempts at contact are disruptive, unwanted, or felt to be menacing by the person who is the object of attention. Inherent force, constitutional energy; strength; endurance.  

  • Stalagmometer

    An instrument for measuring the number of drops in a given amount of fluid.  

  • Stair chair

    A device used to transport patients capable of being moved in a sitting position up or down a staircase or through narrow and confined spaces.  

  • Staircase phenomenon

    The effect exhibited by skeletal and heart muscle when subjected to rapidly repeated maximal stimuli following a period of rest. In the resulting series of contractions, each is greater than the preceding one until a state of maximum contraction is reached.  

  • Stained teeth

    Deep or superficial discoloration of teeth. A number of conditions cause this (e.g., exposure of the fetus to tetracycline the mother took during pregnancy or mottling caused by exposure to high levels of fluoride in drinking water). The stains may be covered by applying a resin or porcelain laminate veneer over the stain (bonding). The…

  • Supravital stain

    Stain that will color living cells or tissues that have been removed from the body.  

  • Substantive stain

    A stain that is directly absorbed by the tissues when they are immersed in the staining solution.