Category: L

  • Laryngeal diphtheria

    A complication of diphtheria caused by extension of the membrane from the pharynx with gradual occlusion of the airway. The signs are restlessness, use of accessory respiration muscles, and development of cyanosis. If this condition is not remedied effectively, death results.  

  • Lipolytic digestion

    The conversion of neutral fats by hydrolysis into fatty acids and glycerol; fat splitting.  

  • Low-protein diet

    A diet that contains a limited amount of protein. The principal sources of food energy are fats and carbohydrates. This diet is used to treat end-stage renal and hepatic disease.  

  • Liquid protein

    A severely calorically restricted diet, lacking carbohydrates, fats, and many minerals and vitamins. Its use has been associated on occasion with cardiac rhythm disturbances and sudden cardiac death.  

  • Lienteric diarrhea

    Watery stools with undigested food particles.  

  • Labiolingual diameter

    The measurement of an anterior tooth from the labial to the Ungual surface.  

  • Latent autoimmune diabetes in adults

    A form of type 1 diabetes usually diagnosed after 30 years of age, in which there are serum antibodies against insulin, pancreatic islet cells, or the protein products of those cells. Most patients affected by LADA eventually require insulin therapy, similar to patients with type 1 DM.  

  • Latent diabetes

    Diabetes mellitus that manifests itself during times of stress such as pregnancy, infectious disease, weight gain, or trauma. Previous to the stress, no clinical or laboratory findings of diabetes are present. There is a very strong chance that affected people will eventually develop overt type 2 diabetes mellitus.  

  • Listening device

    A speech amplifier that aids hearing-impaired individuals in direct person-to-person communication or telephone conversation. Such devices differ from conventional hearing aids in that they reduce interference from background noises.  

  • Left ventricular assist device

    A pump surgically implanted in patients with severe heart failure to move blood from the left ventricle to the ascending aorta. The LVAD usually augments the heart’s function until it heals (following a severe myocardial in farction) or until a heart transplant becomes available (e.g., for patients with heart failure with a markedly diminished ejection…