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http://hdl.handle.net/10637/1087Effect of fasting on urinary excretion of water and nitrogen in the rat
| Title: | Effect of fasting on urinary excretion of water and nitrogen in the rat |
| Authors : | Codina, J. Herrera Castillón, Emilio. |
| Abstract: | El ayuno de 48 h produjo en ratas, mantenidas
en jaulas metabólicas, una disminución en
la cantidad de agua bebida y aumento del volumen
de orina excretada. Tanto la cantidad de
creatinina como de urea excretada al dia disminuyeron
con el ayuno, mientras que la de
amoniaco aumentó. Ademas de demostrar la
perdida de agua metabólica con el ayuno, los
resultados indican que el principal producto
de! catabolismo de aminoacidos con el ayuno
es el amoniaco derivado del metabolismo de
la glutamina en el riñón mas que la urea formada
en el higado. Rats housed in metabolic cages undergoing 48 h fasting showed reduced daily intake or drinking water and increased urinary volume. Both the daily amount or urinary creatinine and urea excreted were diminished with fasting, while that of ammonia was augmented. Besides demonstrating metabolic water loss under fasting, results suggest that ammonia derived from glutamine in the kidney, rather than urea formed in the liver, is the main nitrogenous cataholic product o[ amino acids in fasting. |
| Description: | En: Revista Española de Fisiología, ISSN 0034-9402, 1979. N. 35, pp 457-460 |
| URI: | http://hdl.handle.net/10637/1087 |
| Rights : | http://creativecommons.org/licenses/by-nc-nd/4.0/deed.es |
| Issue Date: | 19-Sep-1979 |
| Center : | Universidad San Pablo-CEU |
| Appears in Collections: | Facultad de Farmacia |
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