单词 | brown fat |
释义 | > as lemmasbrown fat brown fat n. [after German braunes Fettgewebe (J. A. Hammar 1895, in Arch. f. mikroskop. Anat. 45 513)] Zoology and Physiology a specialized type of adipose tissue found esp. in hibernating mammals and the newborns of many species (including humans).Brown fat is highly cellular and vascular, with a high content of lipid and cytochromes, and is capable of generating heat through lipid oxidation. ΚΠ 1902 Jrnl. Royal Microsc. Soc. 422 M. Auerbach finds that brown fat occurs in all the typical parts of the body in rats, mice, voles, hares, hedgehogs, moles, &c. 1968 R. Passmore & J. S. Robson Compan. Med. Stud. I. xxxix. 6/2 The distribution and amount of brown fat in the newborn varies among different species. 1990 Green Mag. Nov. 38/1 If there are dramatic changes in air temperature, additional brown fat stabilises the hedgehog's temperature. 2010 Wall St. Jrnl. 13 Apr. b9/2 To help adults..lose weight, scientists are looking for ways to increase brown fat, which generates heat and burns calories. < as lemmas |
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