作者: Jennifer L Frean , Colleen T Downs , Barry G Lovegrove
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摘要: Abstract The Black-tailed tree rat, Thallomys nigricauda , is a southern African xeric-adapted nocturnal rodent which diurally remains in its arboreal nest. Its urine concentrating ability was investigated series of dehydration experiments, and kidney morphology examined. Unlike several other xeric rodents, T. did not excrete allantoin precipitate their urine. However they had similar efficient (UCA) reflected by osmolality urea concentration when deprived free water. Renal structure indicated UCA also to that rodents. Because are unable maintain body mass on dry food diet, require diet high preformed water constant mass, despite UCA.