| preservative | <pharmacology> A chemical additive to food to prevent spoilage. (05 Mar 1998) |
|---|---|
| sulphite preservative | <pharmacology> A widely used preservative and antioxidant in foods. Often used to keep lettuce fresh. It is also common in packaged potato products, as well as other produce, certain types of seafood and even in beer and wine. They are currently used in over 1,000 drug products both prescription and nonprescription. Common label names: sulphur dioxide, potassium bisulphite, potassium metabisulphite, sodium metabisulphite or sodium sulphite. (19 Jan 1998) |
| ammoniacal urine | <nephrology> Excretion of urine that contains an excessive amount of ammonia. Synonym: ammoniacal urine. Origin: ammonia + G. Ouron, urine (05 Mar 2000) |
| black urine | The dark urine of melanuria or haemoglobinuria. (05 Mar 2000) |
| maple syrup urine | See: maple syrup urine disease. (05 Mar 2000) |
| maple syrup urine disease | Hereditary disease due to deficiency of an enzyme involved in amino acid metabolism, characterised by urine that smells like maple syrup. (12 Dec 1998) |
| Gerhardt's test for urobilin in the urine | The urobilin is extracted with chloroform and then treated with iodine and potassium hydrate, a fluorescent green colour being produced. (05 Mar 2000) |
| residual urine | Urine remaining in the bladder at the end of micturition in cases of prostatic obstruction, bladder atony, etc. (05 Mar 2000) |
| gouty urine | Urine of a high colour containing uric acid in excess. (05 Mar 2000) |
| chylous urine | Urine of a milky appearance, containing chyle. Synonym: milky urine. (05 Mar 2000) |
| citric acid urine test | <investigation> A test which measures the amount of citric acid in the urine. This test is used to diagnose renal tubular acidosis and evaluate those with kidney stones. A below normal level of citric acid in the urine can indicate renal tubular acidosis. Urine citric acid levels can be increased in those with have a high carbohydrate diet, are on oestrogen therapy or vitamin D therapy. (27 Sep 1997) |
| milky urine | Urine of a milky appearance, containing chyle. Synonym: milky urine. (05 Mar 2000) |
| cloudy urine | Urine with a cloudy appearance, usually due to pus, crystals, bacteria, blood, or free fat globules. Synonym: nebulous urine. (05 Mar 2000) |
| crude urine | Pale urine of low specific gravity, with very little sediment. (05 Mar 2000) |
| honey urine | An obsolete term for diabetes mellitus. (05 Mar 2000) |