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- DictionaryKid·ney/ˈkidnē/
noun
- 1. each of a pair of organs in the abdominal cavity of mammals, birds, and reptiles, excreting urine.
Kidney definition: either of a pair of bean-shaped organs in the back part of the abdominal cavity that form and excrete urine, regulate fluid and electrolyte balance, and act as endocrine glands.. See examples of KIDNEY used in a sentence.
May 17, 2022 · Kidney. Most people have two kidneys, organs that sit in the back of your abdomen. Your kidneys’ primary function is to filter your blood. They also remove waste and balance your body’s fluids. Common kidney conditions include kidney disease, kidney infections and kidney cysts.
Jul 22, 2020 · Definition. The kidney is a paired vital organ that removes waste products from the blood and regulates fluid and electrolyte levels within the body. Only one is necessary, but this organ’s importance means that we have two; should one shut down, there is a backup.
Mar 1, 2018 · Health tips. What are kidneys? The kidneys are two bean-shaped organs in the renal system. They help the body pass waste as urine. They also help filter blood before sending it back to the...
May 10, 2024 · Kidney, in vertebrates and some invertebrates, organ that maintains water balance and expels metabolic wastes. Primitive and embryonic kidneys consist of two series of specialized tubules that empty into two collecting ducts, the Wolffian ducts (see Wolffian duct). The more advanced kidney.
noun. uk / ˈkɪd.ni / us / ˈkɪd.ni / Add to word list. C2 [ C ] either of a pair of small organs in the body that take away waste matter from the blood to produce urine: kidney failure. [ C or U ] these organs from an animal, used as food: steak and kidney pie. Fewer examples. She suffered kidney failure and needed a blood transfusion.
The system contains two kidneys, which control the electrolyte composition of the blood and eliminate dissolved waste products and excess amounts of other substances from the blood; the latter substances are excreted in the urine, which passes from the kidneys to the bladder by way of two thin muscular tubes called the ureters.
