Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «L»:
Livedo reticularis: A mottled purplish discoloration of the skin.
Livedo reticularis can be a normal condition that is simply more obvious when a person is exposed to the cold.
Livedo reticularis can also be an indicator of impaired circulation. Livedo reticularis has been reported in association ...
Liver: An organ in the upper abdomen that aids in digestion and removes waste products and worn-out cells from the blood. The liver is the largest solid organ in the body. The liver weighs about three and a half pounds (1.6 kilograms). It measures about 8 inches (20 cm) horizontally (across) and 6.5...
Liver biopsy: A procedure in which a small sample of the liver is removed for the diagnosis of abnormal liver conditions. There are several methods of obtaining biopsies of the liver, but unless it is an unusual situation, the most common method is
percutaneous ("through the skin"). A percutaneous ...
Liver cancer, adult primary
Liver cancer, adult primary: A tumor in which the cancer starts during adulthood in cells in the liver. Also called hepatocellular carcinoma.
Primary liver cancer is different from cancer that has metastasized (spread) from another place in the body to the liver.
The signs and symptoms may incl...
Liver cancer, childhood
Liver cancer, childhood: See: Childhood liver cancer....
Liver disease: Liver disease
refers to any disorder of the liver. The liver is a large organ in the upper right abdomen that aids in digestion and removes waste products from the blood.
Liver disease includes the following conditions:
scarring of the liver
Liver fluke: Fasciola hepatica....
Liver of pregnancy, acute fatty
Liver of pregnancy, acute fatty: Liver failure in late pregnancy, usually from unknown cause.
Acute fatty liver of pregnancy (AFLP) typically occurs in first-time pregnancies in the last trimester.
AFLP causes nausea and vomiting, abdominal pain especially in the upper abdomen (epigastrium), jaun...
Liver pain: Pain coming from the liver. The liver does not contain nerve fibers that sense pain. Therefore, liver tissue can be cut, burned, or compressed without causing pain. There are pain fibers, however, in the liver's capsule, a thin layer of tissue that surrounds the liver tissue itself. ...
Liver shunt: Transjugular, intrahepatic, portosystemic shunt (TIPS), is a shunt (tube)
placed between the portal vein which carries blood from the intestines to the
liver and the hepatic vein which carries blood from the liver back to the heart. It is used primarily (but not
exclusively) in patien...
Liver spot: A pigmented flat spot on sun-exposed skin in older adults, especially on the back of the hands and on the forehead. Liver spots are benign. Medically called a senile lentigo....
Liver transplant: Surgery to remove a diseased liver and replace it with a healthy liver (or part of one) from a donor. The most common reasons for liver transplantation in children is biliary atresia (a disease in which the ducts that carry bile out of the liver are missing or damaged) while in adu...
Liver transplantation, living donor
Liver transplantation, living donor: See: Living donor liver transplantation....
Livid: Black and blue. ...
Living donor liver transplantation
Living donor liver transplantation: An option for patients who need a liver transplant. In this procedure, a healthy person (usually a family member, friend or co-worker) donates a portion of their liver to the transplant patient. One of the two lobes of the donor's liver is removed. The recipient's...