Category: L

  • Lancet

    A sharp two-edged pointed knife formerly used in surgery. A small pointed implement used to take a small capillary blood sample, e.g. to measure blood glucose levels. A broad two-edged surgical knife with a sharp point. A petite, sharp, double-edged blade utilized for incising and draining lesions, such as boils and abscesses.  

  • Lance

    To make a cut in a boil or abscess to remove the pus. To pierce, open, or cut into, as a boil for drainage. To pierce or cut an abscess or boil in order to release accumulated pus. Abscesses and boils (called furuncles) should never be lanced by a person at home; this can result…

  • Lame

    Not able to walk easily because of pain, stiffness or damage in a leg or foot. Disabled in one or more limbs, especially in a leg or foot, impairing normal locomotion.  

  • Lambdoid

    Shaped like the capital Greek letter lambda, like an upside down V or y.  

  • Lambda

    The 11th letter of the Greek alphabet. The point at the back of the skull where the sagittal suture and lambdoidal suture meet.  

  • Laevocardia

    The condition of having the heart in the usual position, with the apex towards the left side of the body.  

  • Laennec’s cirrhosis

    The commonest form of alcoholic cirrhosis of the liver [Described 1819. After René Théophile Hyacinthe Laennec (1781-1826), Professor of medicine at the Collége de France, and inventor of the stethoscope.]  

  • Lacunar

    Relating to hollows or cavities in tissue such as in bone or cartilage, especially ones that are unusual.  

  • Lactovegetarian

    A person who does not eat meat, but eats vegetables, fruit, dairy produce and eggs and sometimes fish. A lactovegetarian will consume dairy foods in addition to plant foods, but will not consume meat, fish, poultry, or eggs. A herbivore who incorporates milk and cheese, alongside plant-derived sustenance, into their dietary choices.  

  • Lactiferous duct

    A duct in the breast which carries milk. Any of several ducts that transport milk from the lobes of the breast to the nipple. One of 15 to 20 ducts that drain the lobes of the mammary gland. Each opens in a slight depression in the tip of the nipple. The 16 ducts in the…