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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.
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Kidney - Wikipedia. For other uses, see Kidney (disambiguation). In humans, the kidneys are two reddish-brown bean-shaped blood-filtering organs [1] that are a multilobar, multipapillary form of mammalian kidneys, usually without signs of external lobulation.
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.
1. : either of a pair of oval to bean-shaped organs located in the back part of the abdomen near the spine that give off waste products in the form of urine. 2. : an organ of an invertebrate animal that gives off waste.
May 22, 2018 · 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 heart.
Renal system, in humans, organ system that includes the kidneys, where urine is produced, and the ureters, bladder, and urethra for the passage, storage, and voiding of urine. Learn more about the structure and function of the renal system in this article.
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.
Jun 12, 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).
