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Urine hemoglobin: The presence of free hemoglobin in the urine, an abnormal finding, that may make the urine look dark. Hemoglobin in the urine is termed hemoglobinuria. Hemoglobin is the protein in the red blood cells which carries oxygen from the ...
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Urine pH: A measure of the acidity or alkalinity of urine. The pH of any fluid is the measure of the hydrogen ion (H-) concentration. A pH of 7 is neutral. The lower the pH, the more acidic the urine. A variety of factors affect urine pH including w...
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Urine blood: Blood in the urine. Also called hematuria. Gross hematuria refers to blood that is so plentiful in the urine that the blood is visible grossly, with just the naked eye. Gross hematuria is in contrast to microhematuria in which the ...
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Disease, maple syrup urine: Hereditary disease due to deficiency of an enzyme involved in amino acid metabolism, characterized by urine that smells like maple syrup. The three branched-chain amino acids: (leucine, isoleucine, and valine) cannot be ...
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Blood in the urine: Blood in the urine is termed hematuria. Gross hematuria refers to blood that is so plentiful in the urine that the blood is visible grossly, with just the naked eye. Gross hematuria is in contrast to microhematuria in which the b...
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Incontinence of urine: Inability to hold urine in the bladder. This is due to failure of voluntary control over the urinary sphincters resulting in involuntary passage of urine (wetting). See enuresis. See also bedwetting.Common Misspellings: in...
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Urine: Liquid waste. The urine is a clear, transparent fluid. It normally has an amber color. The average amount of urine excreted in 24 hours is from 40 to 60 ounces (about 1,200 cubic centimeters). Chemically, the urine is mainly an aqueous (...
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Maple syrup urine disease: Hereditary disease due to deficiency of an enzyme involved in amino acid metabolism, characterized by urine that smells like maple syrup. The three branched-chain amino acids: (leucine, isoleucine, and valine) cannot be meta...
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