Results 291 to 300 of about 64,925 (309)
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FEVER AND BIOCHEMICAL THERMOGENESIS
Pediatrics, 1971Serum free fatty acid versus glycerol ratios were decreased in human newborn infants during pyrexia or cold injury, but remained practically unchanged in older infants and children. Decreased ratios in the newborn resulted exclusively from an increase in serum glycerol.
Nicholas Constantsas +3 more
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Adaptive thermogenesis in hummingbirds
Journal of Experimental Biology, 2002SUMMARY The occurrence of non-shivering thermogenesis in birds has long been a controversial issue. Although birds are endothermic vertebrates, sharing with mammals (placental mammals and marsupials) a common ancestor, they do not possess brown adipose tissue or a similar type of tissue, unlike their mammalian counterparts.
Antonio C. Bianco +3 more
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1983
The regulation of body temperature is often conceptualized as a negative feedback control system complete with afferent limb, integrating area and effector limb. Most vertebrates regulate body temperature and these animals have been classified into two groups - ectotherms and endotherms.
Steven M. Eiger, Matthew J. Kluger
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The regulation of body temperature is often conceptualized as a negative feedback control system complete with afferent limb, integrating area and effector limb. Most vertebrates regulate body temperature and these animals have been classified into two groups - ectotherms and endotherms.
Steven M. Eiger, Matthew J. Kluger
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1983
Mammalian thermogenesis, or acceleration of metabolic rate in excess of essential metabolism, cannot be considered in isolation since it is coordinated with functions controlling heat loss to defend the body temperature. Further complexity is introduced when one considers that heat loss is effected by three discrete processes (vasoconstriction ...
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Mammalian thermogenesis, or acceleration of metabolic rate in excess of essential metabolism, cannot be considered in isolation since it is coordinated with functions controlling heat loss to defend the body temperature. Further complexity is introduced when one considers that heat loss is effected by three discrete processes (vasoconstriction ...
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Growth, thermogenesis, and hyperphagia
The American Journal of Clinical Nutrition, 1990Resting metabolic rate is demonstrated to be a function of fat-free mass and a growth variable related to food-energy-input imbalance rate. By use of obligatory energy expenditure terms, the two-reservoir energy model applied to hyperphagia shows that growth of the fat-free mass is rapid whereas that of the fat store is slow and that the growth of both
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International journal of obesity, 1988
The evidence reviewed here indicates that insulin can increase sympathetically-mediated thermogenesis, probably via its central actions. However, since hypoglycaemia appears to inhibit thermogenesis, the interpretation of data and design of the experiments to study this phenomenon are highly problematic and further confounded by marked changes in ...
Rothwell, NJ, Stock, M.
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The evidence reviewed here indicates that insulin can increase sympathetically-mediated thermogenesis, probably via its central actions. However, since hypoglycaemia appears to inhibit thermogenesis, the interpretation of data and design of the experiments to study this phenomenon are highly problematic and further confounded by marked changes in ...
Rothwell, NJ, Stock, M.
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