Examlex
Discuss the importance of the biogas initiative in China.What barriers did Li Jian find to the adoption of this energy substitute in rural China?
Medullary Interstitial Fluid
The fluid within the interstitial space of the renal medulla, important in the concentration of urine.
Solute Gradient
A solute gradient involves the variation of solute concentration across a distance, which can drive various biological processes, including diffusion and osmosis.
Medullary Concentration Gradient
A gradient of solute concentration in the kidney medulla that facilitates water reabsorption and urine concentration through osmosis.
Urea Molecules
Organic compounds and the main nitrogen-containing substance in the urine of mammals, formed in the liver from ammonia and carbon dioxide.
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