Lipid metabolism
Lipid Metabolism
Lipid metabolism (pronunciation: /ˈlɪpɪd/ /mɪˈtæbəˌlɪzəm/) is the process by which lipids are synthesized and degraded in cells. The term "lipid" is derived from the Greek word "lipos," which means fat, and "metabolism" comes from the Greek word "metabole," meaning change.
Overview
Lipid metabolism involves the biochemical reactions that produce and break down lipids in the body. These reactions are crucial for the body's energy storage, the formation of cell membranes, and the production of signaling molecules and hormones.
Lipid Synthesis
Lipid synthesis is the process by which the body produces lipids. This process primarily occurs in the liver and adipose tissue. The main types of lipids synthesized in the body include triglycerides, phospholipids, and cholesterol.
Lipid Degradation
Lipid degradation, also known as lipid catabolism or lipolysis, is the process by which lipids are broken down into smaller molecules. This process releases energy that can be used by the body. Lipolysis primarily occurs in the adipose tissue.
Disorders of Lipid Metabolism
Disorders of lipid metabolism can lead to a variety of health problems, including atherosclerosis, coronary artery disease, and obesity. These disorders are often caused by a combination of genetic factors and lifestyle choices, such as diet and physical activity.
Related Terms
- Lipogenesis: The process of converting glucose into fatty acids, which are then esterified to glycerol to form triglycerides.
- Lipolysis: The breakdown of lipids, involving the hydrolysis of triglycerides into glycerol and free fatty acids.
- Beta-oxidation: The catabolic process by which fatty acid molecules are broken down in the mitochondria to generate acetyl-CoA.
- Ketogenesis: The process by which ketone bodies are produced as a result of fatty acid breakdown.
External links
- Medical encyclopedia article on Lipid metabolism
- Wikipedia's article - Lipid metabolism
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