Explain the significance of countercurrent mechanism?
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This mechanism helps to maintain a concentration gradient in the inner medullary interstitium.Presence of this interstitial gradient helps in an easy passage of water from collecting tubule thereby concentrating the filtrate(urine).
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The Pacific Equatorial Countercurrent is very strong and is definable year-round. The Atlantic Equatorial Countercurrent is strongest off the coast of Ghana (Africa), where it is known as the Guinea Current. The countercurrent of the Indian Ocean flows only during the northern winter and only south of the equator.
Category: Current
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