Analysis Tools
digestive/alimentary system
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• accelerated gastric emptying with a dramatic shortening of half-excretion time and lag phase for a liquid meal
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behavior/neurological
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• increase in meal frequency but not meal size
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• higher food intake during the dark cycle
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• during the dark cycle
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growth/size/body
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• lean mass as a percent of body weight is decreased by 32 weeks of age
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adipose tissue
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• by 32 weeks of age
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homeostasis/metabolism
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• in fed mice during the dark cycle
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• increase in heat production by fed mice during the dark cycle
• however, at 12 weeks of age mice fasted for 4 h show similar metabolic activity (VO2, VCO2, and heat production) to controls under inactive conditions
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