Fat metabolism

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Fat Metabolism

Fat metabolism (pronunciation: /fæt mɪˈtæbəlɪzəm/) is the biological process by which fats are broken down in the body to produce energy. This process involves the synthesis and degradation of lipids and includes the absorption and digestion of dietary fat.

Etymology

The term "fat metabolism" is derived from the Greek words "lipos" meaning fat, and "metabole" meaning change.

Process

Fat metabolism begins with the digestion of fats in the diet, which are then absorbed in the small intestine. These fats are transported to the liver, where they are metabolized to produce energy. The process of fat metabolism also involves the synthesis of lipids from carbohydrates and proteins, a process known as lipogenesis.

Related Terms

  • Lipolysis: The breakdown of fats and other lipids by hydrolysis to release fatty acids.
  • Beta-oxidation: The catabolic process by which fatty acid molecules are broken down in the mitochondria to generate acetyl-CoA, which enters the citric acid cycle, and NADH and FADH2, which are co-enzymes used in the electron transport chain.
  • Ketogenesis: The process by which ketone bodies are produced as a result of fatty acid breakdown.
  • Lipogenesis: The process by which acetyl-CoA is converted to fatty acids.
  • Adipose tissue: Body fat or fat depot or just fat is loose connective tissue composed mostly of adipocytes.

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