Category: Q

  • Quadri-

    Prefix meaning with four- or in fours.  

  • Quadrate

    Almost square in form.  

  • Quadrangular

    With four angles.  

  • Polytrichous

    With many hairs, densely hairy [unusual term].    

  • Qing Qi

    Qi is a central concept to Chinese medicine. Qi in the human body is thought to be formed or derived from three sources: Jing Qi, Gu Qi, and Qing Qi. Qing Qi is the Qi that is extracted from the air by the Lungs.  

  • Qi Hua

    Hua means transformation or generation. Qi Hua means certain changes are ongoing or completed with involvement of Qi activities. Qi Hua also indicates some functions of Zang Fu organs, such as San Jiao Qi Hua or Urinary Bladder Qi Hua.  

  • Qi Gong

    A form of meditation in which practitioners strive to control their own body’s Qi with their minds. The practice of Qi Gong includes breathing exercises, sitting postures, and visualizations. Contrasted with Tai Chi, Qi Gong generally involves much less movement and more mental exercises.  

  • Qi

    Pronounced “chee.” There is no single English word that can adequately convey the meaning of Qi. Qi is both a physical substance and a nonphysical energy. When Qi is spread out, it is energy, and when it congeals, it is substance. Movements and changes of Qi are used to explain all phenomenons in the universe.…

  • Quorum sensing (QS)

    The control of gene expression in response to cell density, is used by both gram-negative and gram-positive bacteria to regulate a variety of physiological functions. The ability of bacteria to sense cell density.  

  • QT interval

    Is a measure of the time between the start of the Q wave and the end of the T wave in the heart’s electrical cycle. A prolonged QT interval is a biomarker for ventricular tachyarrhythmias and a risk factor for sudden death.