Examlex
What element makes up most of Earth's core?
Juxtaglomerular Apparatus
A structure in the kidney that regulates blood pressure and the filtration rate of the glomerulus by releasing renin.
Macula Densa Cells
Specialized cells in the kidneys that sense sodium concentration and regulate the rate of glomerular filtration.
Interstitial Osmolarity
The concentration of solutes in the interstitial fluid, affecting the movement of water between cells and the extracellular fluid.
Countercurrent Exchange
A mechanism that allows for efficient transfer of heat or matter between fluids flowing in opposite directions.
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