| specimen interaction volume | <microscopy> The volume inside the specimen in which all specimen interactions occur during electron beam irradiation. (05 Aug 1998) |
|---|---|
| specimen screen | <microscopy> A disk of fine screen, usually 200-mesh stainless steel, copper, or nickel, which supports the replica or specimen support film for observation in the microscope. (05 Aug 1998) |
| specimen stage | <microscopy> The part of the microscope which supports the specimen holder and specimen in the microscope, and can be moved in a plane perpendicular to the optical axis from outside the column. (05 Aug 1998) |
| double-voided specimen | This refers to a urine specimen which is collected after first emptying the bladder and then waiting until another specimen can be collected. These double-voided urine specimens are more accurate for purposes of glucose testing (urinalysis). If you test a urine specimen that has been held in the bladder for an extended period of time, it will not accurately reflect the glucose content in the bloodstream. A freshly, double voided specimen is preferred. (27 Sep 1997) |
| type specimen | <zoology> Any specimen of the type series. (09 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) |