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urine    音标拼音: [j'ɚən] [j'ʊrən]
n. 小便,尿

小便,尿

urine
n 1: liquid excretory product; "there was blood in his urine";
"the child had to make water" [synonym: {urine}, {piss}, {pee},
{piddle}, {weewee}, {water}]

Urine \U"rine\, v. i.
To urinate. [Obs.] --Bacon.
[1913 Webster]


Urine \U"rine\, n. [F. urine, L. urina; akin to urinari to
plunge under water, to dive, Gr. ? urine; cf. Skr. v[=a]r
water, Icel. ?r drizzling rain, AS. w[ae]r the sea.]
(Physiol.)
In mammals, a fluid excretion from the kidneys; in birds and
reptiles, a solid or semisolid excretion.
[1913 Webster]

Note: In man, the urine is a clear, transparent fluid of an
amber color and peculiar odor, with an average density
of 1.02. The average amount excreted in 24 hours is
from 40 to 60 ounces (about 1,200 cubic centimeters).
Chemically, the urine is mainly an aqueous solution of
urea, salt (sodium chloride), and uric acid, together
with some hippuric acid and peculiar pigments. It
usually has an acid reaction, owing to the presence of
acid phosphates of soda or free uric acid. Normally, it
contains about 960 parts of water to 40 parts of solid
matter, and the daily average excretion is 35 grams
(540 grains) of urea, 0.75 gram (11 grains) of uric
acid, and 16.5 grams (260 grains) of salt. Abnormally,
it may contain sugar as in diabetes, protein as in
Bright's disease, bile pigments as in jaundice, or
abnormal quantities of some one or more of the normal
constituents.
[1913 Webster]


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  • Urine - Wikipedia
    Urine Sample of human urine 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 from the bloodstream Urinalysis detects these nitrogenous wastes in mammals
  • Urine: Urination, Composition, Production, Color Odor
    Urine 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 and electrolytes If you’re drinking enough fluids, your urine should be light yellow and have a mild odor
  • Urine Color and Odor: What It Reveals About Your Body - WebMD
    What does your pee say about your health? Its color, odor, and how often you go, can help you identify health problems So look before you flush
  • Urine color - Symptoms and causes - Mayo Clinic
    Overview Regular urine color ranges from clear to pale yellow But certain things can change the color Foods such as beets, blackberries and fava beans can turn urine pink or red, for example And some medicines can give urine vivid tones, such as orange or greenish-blue An unusual urine color also can be a sign of a health problem For instance, some urinary tract infections can turn urine
  • Urine color chart: Healthy colors and when to seek help
    The color of urine can help identify whether a person is hydrated It can also provide an indication of underlying medical conditions Learn more here
  • 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
    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 the body The composition of urine tends to mirror the water needs of the organism
  • Urine and Urination - MedlinePlus
    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 two thin tubes called ureters to the bladder The bladder stores urine until you are ready to urinate It swells into a round shape when it is full and gets smaller when empty If your urinary system is healthy, your





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