Author: Glossary

  • Triboluminescence

    Luminescence or sparks produced by friction or mechanical force applied to certain chemical crystals.  

  • Tribology

    The study of the effect of friction on the body, especially the articulating joints.  

  • Tribasilar synostosis

    A condition resulting from the premature fusion of three skull bones — the occipital, sphenoid, and temporal. This results in arrested cerebral development and mental deficiency.  

  • Tribasic

    Capable of neutralizing or accepting three hydrogen ions.  

  • Triangulation

    In qualitative research, a technique for enhancing the validity of the data gained from investigative research by comparing or synthesizing information gathered from more than one study. The process whereby two people in dispute pull in a third person.  

  • Urogenital triangle

    The triangle with its base formed by a line between the two ischial tuberosities and its apex just below the symphysis pubis.  

  • Suprameatal triangle

    The triangle slightly above and behind the exterior auditory meatus. It is bounded above by the root of the zygoma and anteriorly by the posterior wall of the exterior auditory meatus.  

  • Superior carotid triangle

    The space bounded by the anterior belly of the omohyoid muscle, the posterior belly of the digastricus muscle, and the sternomastoid muscle.  

  • Suboccipital triangle

    The triangle bounded by the obliquus inferior and superior muscles on two sides and the rectus capitis posterior major muscle on the third side. The floor contains the posterior arch of the atlas bone and the vertebral artery. It is covered by the semispinalis capitis muscle.  

  • Submental triangle

    A superficial region under the chin with its base being the hyoid bone and its right and left walls being the right and left anterior bellies of the digastric muscle. The front wall of the triangle is skin; the back wall is the outer surface of the mylohyoid muscle.