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Meaning of FATTY ACIDS

Medical Dictionary
  1. A major component of fats that are used by the body for energy and tissue development.
  2. Nutritional substances found in nature that are fats or lipids. These include triglycerides, cholesterol, fatty acids and prostaglandins. Fatty Acids include stearic, palmitic, linoleic, linolenic, eicosapentaenoic (EPA), decosahexanoic acid. Other lipids of nutritional importance include lecithin, choline, gamma-linoleic acid and inositol.
Biology Dictionary
 Definition: Any of many long lipid-carboxylic acid chains found in fats, oils, and as a component of phospholipids and glycolipids in animal cell membranes.

When insulin levels are too low or there is not enough glucose in the blood to use for energy, the body burns fatty acids for energy. This causes ketone bodies to be created as waste products, and they can cause the acid level in the blood to become too high. This in turn may lead to ketoacidosis, a serious illness.