Category: I

  • Idealism

    The philosophy that holds that all knowledge is derived from ideas, emphasizing moral and spiritual reality.  

  • Ideal health

    The state in which a person’s maximum potentialities in the physical, mental, and social spheres are realized.  

  • Icterus

    Icterus

    The yellow appearance of the skin and other tissues due to an excessive accumulation of bile pigments. Yellow coloration of the conjunctivae which makes the sclerae also appear yellow. Another term for jaundice, a yellowing of the skin and whites of the eyes.  

  • Iconic representation

    Representation of the world through mental imagery.  

  • Ichthyosis

    A hereditary condition in which the skin does not form properly, resulting in a dry, non-inflammatory and scaly appearance. Any of several congenital diseases in which the skin is dry and scaly, i.e., fishlike. A congenital condition, usually present at birth, in which the skin is dry, rough, and scaly because of a defect in…

  • Iatrogenic disease

    An illness caused by improper medication or medical care. A disease caused by or arising as a complication of medical or surgical intervention. A condition inadvertently caused by medical treatment or a physician’s actions is termed an iatrogenic disease. For instance, if too much of an overactive thyroid gland is surgically removed, resulting in an…

  • Iatreion

    In ancient Greece, a physician’s shop or office.  

  • Insectivorous plant

    The strict term for carnivorous plants; they trap and digest insects to supply them with extra nitrogen, which is difficult to obtain from the swampy soils where they usually grow. An alternative term for carnivorous plants; they trap and digest insects to supply them with extra nitrogen, which is difficult to obtain from the swampy…

  • lnvolucre

    A whorl, collar or ruff of bracts at the base of a flowerhead, or (less often) of a single flower.  

  • lnternode

    The length of stem between nodes.