Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «L»:
Lip, cleft: The presence of one or two vertical fissures (clefts) in the upper lip -- cleft lip can be on one side only (unilateral) or on both sides (bilateral) -- resulting from failure of the normal process of fusion of the lip to come to completion during embryonic life.
Cleft lip is one of the...
Lipectomy, suction-assisted: Another name for
liposuction, the surgical removal of fat deposits from
specific parts of the body, the most common being
the abdomen (the "tummy"), buttocks ("behind"), hips,
thighs and knees, chin, upper arms, back, and calves. The
technique breaks up and "sucks"...
Lipid: Another word for "fat." (Please see the various meanings of Fat.) A lipid is more formally defined as a substance such as a fat, oil or wax that dissolves in alcohol but not in water. Lipids contain carbon, hydrogen and oxygen but have far less oxygen proportionally than carbohydrates.
Lipid profile: Pattern of lipids in the blood. (A lipid profile
usually includes the total cholesterol, high density lipoprotein (HDL) cholesterol,
triglycerides, and the calculated low density lipoprotein (LDL) cholesterol. ...
Lipid storage diseases
Lipid storage diseases: A series of disorders due to inborn
errors in lipid metabolism resulting in the abnormal accumulation of lipids in the wrong
places (Examples include Gaucher, Fabry and Niemann-Pick diseases and metachromatic
Lipids: Another word for "fats." (Please see the various meanings of Fat.) Lipids can be more formally defined as substances such as a fat, oil or wax that dissolves in alcohol but not in water. Lipids contain carbon, hydrogen and oxygen but have far less oxygen proportionally than carbohydrates.
Lipitor: See: Atorvastatin....
Lipodystrophy: A disorder of adipose (fatty) tissue characterized by a selective loss of body fat. Patients with lipodystrophy have a tendency to develop insulin resistance, diabetes, a high triglyceride level (hypertriglyceridemia), and fatty liver. There are numerous forms of lipodystrophy that ar...
Lipodystrophy syndrome: A disturbance of lipid
(fat) metabolism that
the partial or total absence of fat and often the abnormal
distribution of fat in the body. There are a number of
syndromes. Some of them are present at birth (congenital)
Lipodystrophy, cephalothoracic: A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper trunk, arms and legs.
The condition is thought to be genetic although its exact mode of inheritance is uncertain; it may be a mitochondrial DNA disease. It fr...
Lipoid nephrosis: The earliest stage of nephrosis (the nephrotic syndrome of childhood). See: Minimal change disease. See also: Nephrosis. ...
Lipoidosis, sphingomyelin: Also called Niemann-Pick disease, this is a disorder of the metabolism of a lipid (fat) called sphingomyelin that usually causes the progressive development of enlargement of the liver and spleen (hepatosplenomegaly), "swollen glands" (lymphadenopathy), anemia and mental ...
Lipoma: A benign fatty tumor. ...
Lipomatosis, multiple symmetric
Lipomatosis, multiple symmetric: A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper trunk, arms and legs.
The condition is thought to be genetic although its exact mode of inheritance is uncertain. It may be a mitochondrial DNA disease. It f...
Lipophilin: See: Proteolipid protein....