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Hematuria can be classified according to visibility, anatomical origin, and timing of blood during urination. [1] [6]In terms of visibility, hematuria can be visible to the naked eye (termed "gross hematuria") and may appear red or brown (sometimes referred to as tea-colored), or it can be microscopic (i.e. not visible but detected with a microscope or laboratory test).
The bacteria that cause urinary tract infections typically enter the bladder via the urethra. However, infection may also occur via the blood or lymph. [7] It is believed that the bacteria are usually transmitted to the urethra from the bowel, with females at greater risk due to their anatomy. [7]
The filtrate from the glomerulus enters the capsule and proceeds to the renal tubules, which reabsorb water and solutes from the filtrate into the circulation and secrete substances from the blood into the urine in order to maintain homeostasis. [3] [4] The first destination is the proximal convoluted tubule.
Urine contains water-soluble by-products of cellular metabolism that are rich in nitrogen and must be cleared from the bloodstream, such as urea, uric acid, and creatinine. A urinalysis can detect nitrogenous wastes of the mammalian body. Urine plays an important role in the earth's nitrogen cycle.
Following filtration of blood and further processing, wastes (in the form of urine) exit the kidney via the ureters, tubes made of smooth muscle fibres that propel urine towards the urinary bladder, where it is stored and subsequently expelled through the urethra during urination. The female and male urinary system are very similar, differing ...
Immersion diuresis is caused by immersion of the body in water (or equivalent liquid). It is mainly caused by lower temperature and by pressure. [11] The temperature component is caused by water drawing heat away from the body and causing vasoconstriction of the cutaneous blood vessels within the body to conserve heat.
%shareLinks-quote="Stay out of the water if you have diarrhea.Shower before you get in the water.Do not pee or poop in the water.Do not swallow the water.Take kids on bathroom breaks.Check diapers ...
Uremia is the condition of having high levels of urea in the blood. Urea is one of the primary components of urine.It can be defined as an excess in the blood of amino acid and protein metabolism end products, such as urea and creatinine, which would normally be excreted in the urine.