| whetstone crystals | Xanthine crystal's occasionally observed in urine. (05 Mar 2000) |
|---|---|
| haematoidin crystals | <haematology> A substance which appears to be identical to the red-orange bile pigment bilirubin, but which is produced from haemoglobin in tissues rather than within the liver and usually when oxygen tension is low. (09 Oct 1997) |
| crystals | Formations of small irregular solid material often composed of calcium, uric acid and phosphate. (27 Sep 1997) |
| Teichmann's crystals | Rhombic crystals of hemin; used in microscopic detection of blood. See: hemin. Synonym: chlorohemin crystals. (05 Mar 2000) |
| ear crystals | Crystalline particles of calcium carbonate and a protein adhering to the gelatinous membrane of the maculae of the utricle and saccule. Synonym: statoconia, ear crystals, otoconia, otoliths, otolites, sagitta. Origin: G. Statos, standing, + lithos, stone (05 Mar 2000) |
| thorn apple crystals | Ammonium urate crystal's in the shape of rounded bodies with many projecting points. (05 Mar 2000) |
| urate crystals stain | <technique> A stain using silver methenamine to detect crystals, which polarise light in contrast with calcium crystals; useful in diagnosing gout and kidney infarcts resulting from uric acid build-up. (05 Mar 2000) |
| Florence's crystals | Brown rhombic crystal's formed at the interface between a drop of Lugol's solution and a drop of fluid that contains semen; not a specific test for the latter. (05 Mar 2000) |
| Lubarsch's crystals | Intracellular crystal's in the testis resembling sperm crystal's. (05 Mar 2000) |