Loop of Henle

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The loop of Henle is a part of the nephron in the kidney. It has two "arms" to it, known as the descending (thin) and ascending (thick) in a hairpin formation; the two have different physiological properties to serve their function. The descending limb removes water, whereas the ascending is impermeable to water movement, but can absorb salts.

The loop of Henle is also known as the countercurrent multiplier; it utilises both Ionic and Osmotic gradients with the ascending limb and descending limb respectively to create high levels of ion concentration in the Medulla of the Kidney, which is located near the collecting duct which allows greater levels of absorption of water through Aquaporin Channels, in conjunction with the presence of Vasopressin.

The loop of Henle is also a basketball terminology referring to a tactical team move. Early records show that it was first invented by a Japanese team.

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