
Urine - Wikipedia
Urine, excreted by the kidneys, is a liquid containing excess water and water-soluble nitrogen-rich by-products of metabolism including urea, uric acid, and creatinine, which must be cleared …
Urine: Urination, Composition, Production, Color & Odor
Jan 14, 2025 · Urine is liquid waste that your kidneys make to remove excess fluids and waste products from your body. It mostly consists of water, but it also contains waste products, salt …
Urine Color and Odor: What It Reveals About Your Body - WebMD
Feb 19, 2025 · But the basic details of your urine — color, smell, and how often you go — can give you a hint about what’s going on inside your body. Pee is your body’s liquid waste, mainly …
Urine color - Symptoms and causes - Mayo Clinic
Oct 11, 2025 · Foods and medicines can change the color of urine. But a color change also could be a sign of disease.
The Urinary Tract & How It Works - NIDDK
Describes how the urinary tract works, why it’s important, what affects the amount of urine produced, and how to keep the urinary tract healthy.
Urine | Definition, Composition, & Facts | Britannica
Nov 11, 2025 · Urine, liquid or semisolid solution of metabolic wastes and certain other, often toxic, substances that the excretory organs withdraw from the circulatory fluids and expel from …
Urine | definition of urine by Medical dictionary
Besides waste materials, urine also contains surpluses of products necessary for bodily functioning, such as water, sodium chloride, and other substances. Thus in a typical specimen …
Foul-Smelling Urine But No Pain: Causes, Symptoms, Treatment
Jan 31, 2025 · Urine is a liquid waste product excreted by your body after the kidneys filter out your blood and tissues. It isn’t exactly the best-smelling substance in the first place.
Anatomy of the Urinary System - Johns Hopkins Medicine
The urinary system's function is to filter blood and create urine as a waste by-product. The organs of the urinary system include the kidneys, renal pelvis, ureters, bladder and urethra.
Urine and Urination - MedlinePlus
May 10, 2021 · Your kidneys make urine by filtering wastes and extra water from your blood. The waste is called urea. Your blood carries it to the kidneys. From the kidneys, urine travels down …