Glossary

Category: T

  • Twice

    Two times.  

  • Twenty-twenty vision

    Perfect vision.  

  • Twenty-four hour flu

    Twenty-four hour flu

    Any minor illness similar to flu which lasts for a short period.  

  • Tweezers

    Tweezers

    An instrument shaped like small scissors, with ends which pinch and do not cut, used to pull out or pick up small objects.  

  • Tutor

    A teacher, a person who teaches small groups of students.  

  • Turn

    A slight illness or attack of dizziness.  

  • Turgescence

    A swelling in body tissue caused by the accumulation of fluid. A swelling, or the process by which a swelling arises in tissues, usually by the accumulation of blood or other fluid under pressure. The condition of being enlarged or bloated.  

  • Turbinectomy

    A surgical operation to remove a turbinate bone. The surgical removal of one of the bones forming the nasal cavity (nasal conchae, or turbinate bones). The surgical procedure for removing a nasal concha bone.  

  • Tunnel vision

    Vision which is restricted to the area directly in front of the eye. Vision restricted to a narrow span straight ahead, with little peripheral vision at the sides. Condition in which peripheral sight is diminished and vision is limited to the area in front of the eyes. Sight that lacks vision to the sides and…

  • Tuning fork

    A metal fork which, if hit, gives out a perfect note, used in hearing tests such as Rinne’s test. A device that vibrates at a specific frequency when it is struck, e.g., 128, 256, or 512 Hz. It is used in simple tests of hearing and vibration sense.