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kidneys Definition

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kidneys
noun(kid-ney)
one of a pair of vertebrate organs situated in the body cavity near the spinal column that excrete waste products of metabolism, in humans are bean-shaped organs about 41/2 inches (111/2 centimeters) long lying behind the peritoneum in a mass of fatty tissue, and consist chiefly of nephrons by which urine is secreted, collected, and discharged into a main cavity whence it is conveyed by the ureter to the bladder
kidneys
noun(kid-ney)
any of various excretory organs of invertebrate animals
kidneys
noun(kid-ney)
the kidney of an animal eaten as food

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