Related Experiment Video

Updated: Apr 29, 2026

Eliciting and Analyzing Male Mouse Ultrasonic Vocalization USV Songs
08:44

Eliciting and Analyzing Male Mouse Ultrasonic Vocalization USV Songs

Published on: May 9, 2017

18.0K

Uric acid dihydrate in bird urine

K Lonsdale, D J Sutor

    Science (New York, N.Y.)
    |May 28, 1971
    PubMed
    Summary

    Budgerigar excrement primarily contains uric acid dihydrate. This compound initially exists as a liquid crystal phase before transforming into a stable crystalline form over time or upon washing.

    More Related Videos

    Quantitative SERS Detection of Uric Acid via Formation of Precise Plasmonic Nanojunctions within Aggregates of Gold Nanoparticles and Cucurbit[n]uril10:02

    Quantitative SERS Detection of Uric Acid via Formation of Precise Plasmonic Nanojunctions within Aggregates of Gold Nanoparticles and Cucurbit[n]uril

    Published on: October 3, 2020

    3.6K
    Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice08:53

    Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice

    Published on: December 4, 2020

    7.8K

    Related Concept Videos

    Urea Cycle01:23

    Urea Cycle

    The urea cycle describes how liver cells convert ammonia to urea. Ammonia is a toxic waste product of protein catabolism. Land animals must convert ammonia into the less toxic urea which can be safely eliminated by the kidneys through urine. Marine animals excrete ammonia directly, and the surrounding water dilutes the ammonia to safe levels.
    44.0K
    Comparative Excretory Systems02:24

    Comparative Excretory Systems

    Animals have evolved different strategies for excretion, the removal of waste from the body. Most waste must be dissolved in water to be excreted, so an animal’s excretory strategy directly affects its water balance.
    19.0K
    Urine: Physical and Chemical Properties01:18

    Urine: Physical and Chemical Properties

    Urine comprises approximately 95% water and 5% solutes. The primary ingredient, apart from water, is urea - a byproduct of the breakdown of amino acids. Other notable components include uric acid, a residue from nucleic acid metabolism, and creatinine, a metabolite from creatine phosphate breakdown in skeletal muscle tissue.
    The concentration of these solutes varies, with urea being the most abundant nitrogenous waste product. Other solutes include sodium, chloride, potassium, phosphate,...
    5.0K
    Formation of Dilute Urine01:20

    Formation of Dilute Urine

    The formation of dilute urine is a critical renal adaptation that maintains fluid balance, particularly during periods of high fluid intake. This process primarily involves the juxtamedullary nephrons. By adjusting the permeability of water and ions in response to physiological conditions, the kidneys can either conserve or excrete water, resulting in concentrated or dilute urine.
    Filtrate Osmolarity in the PCT
    Initially, as the filtrate passes through the proximal convoluted tubule (PCT), its...
    3.5K
    Formation of Concentrated Urine01:23

    Formation of Concentrated Urine

    There is a gradient of solutes in the interstitial fluid from the renal cortex through the medulla, known as the medullary osmotic gradient. The juxtamedullary nephrons establish and maintain this gradient using countercurrent mechanisms with loops extending deep into the medulla. These nephrons also use countercurrent mechanisms to regulate urine volume and concentration. The interaction between the descending and ascending limbs of the nephron loop creates an osmotic gradient through...
    4.2K
    Urine Studies I: Urinalysis01:29

    Urine Studies I: Urinalysis

    Urinalysis is a widely used diagnostic test that analyzes urine's physical, chemical, and microscopic characteristics. Healthcare providers use it to detect and monitor various health conditions, including renal disease, urinary tract infections (UTIs), diabetes, and metabolic or systemic disorders.Components of UrinalysisUrinalysis consists of three primary components: physical, chemical, and microscopic examination. Each provides unique insights into the urine sample and, by extension, the...
    2.6K