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What is Aquaporins are not seen in: and explain in detail?
Aquaporins are integral membrane proteins, expressed in different regions of the body. For example Aquaporin 1 and 2 are seen in the kidney, aquaporin 5 in lacrimal glands, aquaporin 9 in human leukocye, liver lung and spleen. Their main function is to transpo water across cell membranes in response to osmotic gradients. Ref: Ganong's Review of Medical Physiology, 21st Edition, Page 247