The flashcard explains that the long loops of Henle in the desert kangaroo rat's kidneys help maintain a steep water potential (WP) gradient, allowing water to move out of capillaries, thus aiding in water conservation.
La scheda spiega che i lunghi anelli di Henle nei reni del ratto canguro del deserto aiutano a mantenere un gradiente di potenziale idrico ripido, consentendo all'acqua di muoversi attraverso le pareti dei capillari, contribuendo così alla conservazione dell'acqua.
| Front | The desert kangaroo rat, Dipodomys deserti, lives in dry and hot conditions. It excretes a very small volume of urine relative to its size. The loops of Henle in the kidneys of these mammals are longer than those found in mammals of a similar size that do not live in desert conditions. Explain how the longer loop of Henle is able to assist the desert kangaroo rat in preventing excessive water loss. |
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| Back | maintain steep WP gradient for water to move out capillary |
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