brown fat
noun Date: 1951 a mammalian heat-producing tissue occurring especially in human fetuses and newborn infants and in hibernating animals — called also brown adipose tissue

New Collegiate Dictionary. 2001.

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  • Brown fat — Brown adipose tissue, a rapid source of energy for infants in whom it forms about 5% of body weight. It is brown because the cells in it are packed with small cellular organs called mitochondria, which are energy factories, and it has a rich… …   Medical dictionary

  • brown fat — brown′ fat′ n. phl brownish yellow adipose tissue that accumulates in hibernating mammals, producing heat if the body becomes too cold …   From formal English to slang

  • brown fat — n. a brownish tissue, rich in unsaturated fats, stored in certain areas of the body by a hibernating animal: it prevents freezing and may help to warm the animal as it awakens …   English World dictionary

  • brown fat — noun : a mammalian heat producing tissue occurring especially in human fetuses and newborn infants and in hibernating animals called also brown adipose tissue * * * brownish yellow adipose tissue in the upper back, or interscapular, region of… …   Useful english dictionary

  • brown fat — a form of fat in adipose tissue that is a rich source of energy and can be converted rapidly to heat. There is speculation that a rapid turnover of brown fat occurs to balance excessive intake of food and unnecessary production of white fat… …   The new mediacal dictionary

  • brown fat — brownish yellow adipose tissue in the upper back, or interscapular, region of many mammals, most conspicuously in hibernating species, composed of numerous innervated fat cells that can produce heat during cold stress; thermogenic tissue. [1950… …   Universalium

  • brown fat — noun dark coloured adipose tissue with many blood vessels, able to provide bodily heat quite rapidly …   English new terms dictionary

  • brown fat cells — Brown fat is specialized for heat production and the adipocytes have many mitochondria in which an inner membrane protein can act as an uncoupler of oxidative phosphorylation allowing rapid thermogenesis …   Dictionary of molecular biology

  • Brown adipose tissue — (BAT) or brown fat is one of the two types of adipose tissue (the other being white adipose tissue) that is present in many newborn or hibernating mammals.cite journal |author=Gesta S, Tseng YH, Kahn CR |title=Developmental origin of fat:… …   Wikipedia

  • brown adipose tissue — n BROWN FAT * * * a thermogenic type of adipose tissue containing a dark pigment. It arises during embryonic life in certain specific areas in many mammals, and is prominent in newborn babies. It remains distinct and conspicuous in adults in only …   Medical dictionary

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