The consumption of fuels during prolonged starvation.
D000328:Adult; D000641:Ammonia / Q000096:biosynthesis; D001823:Body Composition; D001921:Brain / Q000378:metabolism; D005260:Female; D005943:Gluconeogenesis; D006801:Humans; D007651:Keto Acids / Q000378:metabolism; D007668:Kidney / Q000378:metabolism; D008099:Liver / Q000378:metabolism; D008297:Male; D008875:Middle Aged; D009584:Nitrogen / Q000652:urine; D009765:Obesity / Q000378:metabolism / Q000628:therapy; D013217:Starvation / Q000378:metabolism*
D007651:Keto Acids; D000641:Ammonia; D009584:Nitrogen