Category: I

  • Identical retinal point

    The points in the two retinas upon which the images are seen as one.  

  • Ice point

    The temperature at which there is equilibrium between ice and air-saturated water at one atmosphere of pressure.  

  • Intrapleural pneumonolysis

    Separation of adhering visceral and parietal layers of pleura. Surgical separation of the two layers of pleura, one lining the chest and the other covering the lungs.  

  • Idiopathic brachial plexopathy

    A peripheral neuropathy that affects movement and sensation in the shoulder. Idiopathic brachial plexopathy usually results from brachial nerve entrapment by vigorous exercise. It may cause atrophy of the muscles surrounding the shoulder (the “shoulder girdle”). Nonidiopathic (i.e., readily identifiable) causes of the neuropathy sometimes are found in persons with brachial nerve injury caused by…

  • Intertubercular plane

    A horizontal plane passing through the tubercles of the crests of the ilia; lies approx, at the level of the fifth lumbar vertebra.  

  • Inclined plane of a tooth

    Any sloping surface of the cusp of a tooth.  

  • Inclined plane of the pelvis

    Anterior and posterior inclined planes of the pelvic cavity, two unequal sections divided by the sciatic spines. In the larger, anterior section, the lateral walls slope toward the symphysis and arch of the pubes; the posterior walls slope in the direction of the sacrum and coccyx. The anterior inclined planes are the declivities over which…

  • Individualized family service plan

    A written document, developed collaboratively by parents of young children with disabilities and related service personnel, that describes plans for intervention and educational placement. Twenty-five percent of occupational therapists now practice in school settings with the purpose of meeting the legislated mandate for public schools to provide related services for children with disabilities.  

  • Individual education plan

    A federally required, individual program of goals and methods for addressing needs of students receiving special education and related services in public schools. They are required under the provisions of federal legislation providing for a free and appropriate education for individuals with disabilities, as amended (Individuals with Disabilities Education Act [IDEA]-PL 104-134, Amended in 1997).…

  • Indirect placentography

    Measurement of the space between the placenta and the head of the fetus by means of radiographical examination. It is done to diagnose placenta previa.