Category: L

  • Lobe of mammary gland

    One of the 15 to 20 divisions of the glandular tissue of the breast separated by connective tissue and each possessing a duct (lobar duct) opening via the nipple.  

  • Lobe of lungs

    One of the large divisions of the lungs: superior and inferior lobes of the left lung; superior, middle, and inferior lobes of the right lung.  

  • Lobe of cerebrum

    The frontal, parietal, occipital, and temporal lobes and the insula or island of Reil (central lobe).  

  • Loading test

    The administration of a substance to determine the individual’s ability to metabolize or excrete it. Thus, a glucose tolerance test is one form of this test.  

  • Lividity

    Skin discoloration, as from a bruise or venous congestion.  

  • Liver transplantation

    The surgical implantation of a donor liver into a patient with end-stage liver disease, whether it is caused by alcoholic cirrhosis, chronic cholestatic diseases, chronic or fulminant hepatitis, or toxic liver destruction. Immunosuppressive drugs (such as cyclosporine) must be taken after the procedure to prevent rejection of the grafted organ. With optimal care, about 75%…

  • Lived experience

    The subjective perception of one’s experience of health or illness. Associated with Rosemarie Parse’s Nursing Theory of Human becoming, it emphasizes the nurse’s need to understand the personal health experience of patients, rather than to collect data from patients as objects.  

  • Lithoxiduria

    The presence of xanthic oxide in the urine.  

  • Lithotrity

    The crushing of a kidney stone to small fragments in the bladder. The procedure involving the crushing of a stone within the urinary bladder and subsequently flushing out the powdered residue.  

  • Lithotriptoscopy

    The crushing of a kidney stone under direct vision using a lithotriptoscope.