Category: I

  • Indirect illumination

    A method of illumination used with the slit lamp biomicroscope in which the beam is focused on a structure located to one side of the structure being observed by the microscope.    

  • Intoxicated

    Being under the influence of a drug.  

  • Ideal body weight

    An older measure of relative weight; now sometimes referred to as desirable body weight. The number of pounds or kilograms a person should weigh, based on height and frame, to achieve and maintain optimal health. Several tables, such as the Metropolitan Life Height and Weight Table, show ideal body weights for men and women of…

  • Ionic technology

    A recent technical innovation that is used in blow-dryers, brushes, and straightening and curling irons to add extra shine, smoothness, and strength, and reduce static and frizz in medium to thick and chemically treated hair.  

  • Infant foods

    Foods designed to meet the nutritional requirements of children from birth to about 12 months of age.  

  • Indoor

    Within any enclosed structure, such as a house, conservatory or green¬ house, that a person can enter (thus excluding frames and cloches). Indoor cultivation both avoids winter frosts and raises temperatures in the growing season.  

  • Long stay patient

    A patient who will stay in hospital for a long time.  

  • Logrolling

    The process of moving a person who is lying down into another position using the log roll method.  

  • Lethargic encephalitis

    A common type of virus encephalitis occurring in epidemics in the 1920s.  

  • Lateral aspect

    A view of the side of part of the body.