The word "fat" has more meanings that it has letters. It is among other things: {{}}A nutrient: With proteins and carbohydrates, fat, also known as lipid, is one of the three types of nutrients used as energy sources by the body. The energy produced by fats is nine calories per gram. Proteins and carbohydrates each provide four calories per gram. Hence, fat is more than twice as caloric as protein and carbohydrate. Total fat: The total fat is the sum of saturated, monounsaturated, and polyunsaturated fats. The intake of monounsaturated and polyunsaturated fats can help to reduce blood cholesterol when substituted for saturated fats in the diet. Slang: Fat is a slang term for obese or adipose. In chemistry: Fats are compounds formed from chemicals called fatty acids. These fats compose a greasy, solid material found in animal tissues and in some plants. Fats are the major component of flabby material of our bodies, commonly known as blubber. A name: "Fats" or ""fat" is used, usually with derision, for a heavy person as, for example, the professional billiard player Minnesota Fats or the fictional Fat Albert created by the comedian Bill Cosby.
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1. SYN: adipose tissue. 2. Common term for obese. 3. A greasy, soft-solid material, found in animal tissues and many plants, composed of a mixture of glycerol esters; together with oils they make up the homolipids. 4. A triacylglycerol or a mixture of triacylglycerols. [A.S. faet]
- brown f. thermogenic tissue that is composed of cells containing numerous small f. droplets; lobular masses are found in the interscapular and mediastinal regions and other locations; although found most frequently in certain hibernating animals, it is also found in pigs, rodents, and the newborn of humans. SYN: brown adipose tissue, hibernating gland, interscapular gland, interscapular hibernoma, multilocular adipose tissue, multilocular f..
- multilocular f. SYN: brown f..
- neutral f. a triester of fatty acid s and glycerol ( i.e., triacylglycerol).
- paranephric f. [TA] the perirenal f.. SYN: adipose capsule, capsula adiposa renis, fatty renal capsule, perirenal f. capsule.
- retrobulbar f. [TA] the mass of f. contained in the orbit that contributes to the support of the eyeball. SYN: corpus adiposum orbitae [TA], orbital f. body, f. body of orbit, orbital f.-pad.
- saturated f. saturated fatty acid.
- split f. free fatty acid s, as reduced by the action of lipases, neutral fats, or phospholipids.
- unilocular f. adipose tissue in which the f. is present in a single droplet within the f. cells. SYN: white f. (2).
- unsaturated f. unsaturated fatty acid.
- white f. 1. SYN: adipose tissue. 2. SYN: unilocular f..
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family attitudes test; fluorescent antibody technique; fluorescent antibody test

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fat 'fat adj, fat·ter; fat·test notable for having an unusual amount of fat esp fleshy with superfluous flabby tissue that is not muscle: OBESE
fat·ness n
fat n
1) animal tissue consisting chiefly of cells distended with greasy or oily matter see BROWN FAT
2 a) oily or greasy matter making up the bulk of adipose tissue
b) any of numerous compounds of carbon, hydrogen, and oxygen that are glycerides of fatty acids, are the chief constituents of plant and animal fat, are a major class of energy-rich food, and are soluble in organic solvents (as ether) but not in water
c) a solid or semisolid fat as distinguished from an oil
3) the condition of fatness: OBESITY

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a substance that contains one or more fatty acids (in the form of triglyceride) and is the principal form in which energy is stored by the body (in adipose tissue). It also serves as an insulating material beneath the skin (in the subcutaneous tissue) and around certain organs (including the kidneys). Fat is one of the three main constituents of food (see also carbohydrate, protein); it is necessary in the diet to provide an adequate supply of essential fatty acid and for the efficient absorption of fat-soluble vitamins from the intestine. Excessive deposition of fat in the body leads to obesity. See also brown fat, lipid.

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(fat) 1. a white or yellowish tissue which forms soft pads between various organs of the body, serves to smooth and round out bodily contours, and furnishes a reserve supply of energy. See also adipose tissue, under tissue. 2. an ester of glycerol with fatty acids, usually oleic acid, palmitic acid, or stearic acid; triglyceride; neutral fat.

Medical dictionary. 2011.

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