Definitions for kidneyˈkɪd ni

This page provides all possible meanings and translations of the word kidney

Princeton's WordNet

  1. kidney(noun)

    either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine

    "urine passes out of the kidney through ureters to the bladder"

GCIDE

  1. Kidney(n.)

    Habit; disposition; sort; kind; as, a man of a different kidney. Shak.

  2. Origin: [OE. kidnei, kidnere, from Icel. koir belly, womb (akin to Goth. gipus, AS. cwi womb) + OE. nere kidney; akin to D. nier, G. niere, OHG. nioro, Icel. nra, Dan. nyre, Sw. njure, and probably to Gr. nefro`s Cf. Kite belly.]

Wiktionary

  1. kidney(Noun)

    An organ in the body that filters the blood, producing urine.

  2. kidney(Noun)

    This organ (of an animal) cooked as food

  3. kidney(Noun)

    constitution, temperament, nature

  4. Origin: From kednei, kidenei, from earlier kidnere, kidenere. Of uncertain origin. Probably a compound consisting of *, from cwiþ, cwiþa + nere, from *, from neuran, from negʷh-r-. If so, then related to nier, Niere, nyre, njure.

Webster Dictionary

  1. Kidney(noun)

    a glandular organ which excretes urea and other waste products from the animal body; a urinary gland

  2. Kidney(noun)

    habit; disposition; sort; kind

  3. Kidney(noun)

    a waiter

  4. Origin: [OE. kidnei, kidnere, from Icel. koir belly, womb (akin to Goth. gipus, AS. cwi womb) + OE. nere kidney; akin to D. nier, G. niere, OHG. nioro, Icel. nra, Dan. nyre, Sw. njure, and probably to Gr. nefro`s Cf. Kite belly.]

Freebase

  1. Kidney

    The kidneys are organs that serve several essential regulatory roles in most animals, including vertebrates and some invertebrates. They are essential in the urinary system and also serve homeostatic functions such as the regulation of electrolytes, maintenance of acid–base balance, and regulation of blood pressure. They serve the body as a natural filter of the blood, and remove wastes which are diverted to the urinary bladder. In producing urine, the kidneys excrete wastes such as urea and ammonium, and they are also responsible for the reabsorption of water, glucose, and amino acids. The kidneys also produce hormones including calcitriol, erythropoietin, and the enzyme renin. Located at the rear of the abdominal cavity in the retroperitoneum, the kidneys receive blood from the paired renal arteries, and drain into the paired renal veins. Each kidney excretes urine into a ureter, itself a paired structure that empties into the urinary bladder. Renal physiology is the study of kidney function, while nephrology is the medical specialty concerned with kidney diseases. Diseases of the kidney are diverse, but individuals with kidney disease frequently display characteristic clinical features. Common clinical conditions involving the kidney include the nephritic and nephrotic syndromes, renal cysts, acute kidney injury, chronic kidney disease, urinary tract infection, nephrolithiasis, and urinary tract obstruction. Various cancers of the kidney exist; the most common adult renal cancer is renal cell carcinoma. Cancers, cysts, and some other renal conditions can be managed with removal of the kidney, or nephrectomy. When renal function, measured by glomerular filtration rate, is persistently poor, dialysis and kidney transplantation may be treatment options. Although they are not severely harmful, kidney stones can be painful and a nuisance. The removal of kidney stones involves ultrasound treatment to break up the stones into smaller pieces, which are then passed through the urinary tract. One common symptom of kidney stones is a sharp pain in the medial/lateral segments of the lower back.

U.S. National Library of Medicine

  1. Kidney

    Body organ that filters blood for the secretion of URINE and that regulates ion concentrations.


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