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A broad classification for genetic disorders that result from an inability of the body to produce or utilize one enzyme that is required to oxidize fatty acids. The enzyme can be missing or improperly constructed, resulting in it not working. This leaves the body unable to produce energy within the liver and muscles from fatty acid sources. The body's primary source of energy is glucose; however, when all the glucose in the body has been expended, a normal body digests fats. Individuals with a fatty-acid metabolism disorder are unable to metabolize this fat source for energy, halting bodily processes. Most individuals with a fatty-acid metabolism disorder are able to live a normal active life with simple adjustments to diet and medications. If left undiagnosed many complications can arise. When in need of glucose the body of a person with a fatty-acid metabolism disorder will still send fats to the liver. The fats are broken down to fatty acids. The fatty acids are then transported to the target cells but are unable to be broken down, resulting in a build-up of fatty acids in the liver and other internal organs. Fatty-acid metabolism disorders are sometimes classified with the lipid metabolism disorders,〔(【引用サイトリンク】title=Lipid Metabolism: Hereditary Metabolic Disorders: Merck Manual Home Edition ) 〕 but in other contexts they are considered a distinct category. ==Possible Symptoms== * Extreme sleepiness * Behavior changes * Irritable mood * Poor appetite * Fever * Nausea * Diarrhea * Vomiting * Hypoglycemia * Enlarged heart * Muscle weakness * Heart failure 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Fatty-acid metabolism disorder」の詳細全文を読む スポンサード リンク
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