Category: D

  • Dynein

    A very large protein that has a molecular configuration resembling arms. Contraction of these arms facilitates the movement of cilia and flagella of bacteria.  

  • Dynamoscope

    An instrument for auscultation of muscles.  

  • Dynamometry

    The process of obtaining quantifiable measurements of muscular strength, power, and/or endurance.  

  • Dying

    The end of fife and the transition to death.  

  • Dwyer instrumentation

    A surgical procedure for stabilization of scoliosis. The spine is approached from the front, and bolts are inserted transversely through each vertebra. A cable attached to the bolts is applied to the convexity of the curve, and the vertebrae are pulled together.  

  • Duverney’s fracture

    A fracture of the ilium just below the anterosuperior spine.  

  • Duty to warn

    An obligation to advise a patient about potential risks of a treatment or procedure.  

  • Duty cycle

    During chest compressions of a victim of cardiac arrest, the relative amount of time that the chest is compressed compared to the time that the chest is allowed to recoil to its fully inflated position. A cycle of 50% occurs when chest compression equals chest recoil.  

  • Duty of care

    The legal and moral obligation to act responsibly and prudently, e.g., to avoid taking actions that one may foresee as being potentially hazardous to others.  

  • Dusting powder

    Any fine powder for dusting on skin.