| Lugol's iodine solution | An iodine-potassium iodide solution used as an oxidizing agent, for removal of mercurial fixation artifacts, and also in histochemistry and to stain amoebas. (05 Mar 2000) |
|---|---|
| Lugol, Jean | <person> French physician, 1786-1851. See: Lugol's iodine solution. (05 Mar 2000) |
| caustic | <chemistry> An escharotic or corrosive agent. Synonym: cauterant. Origin: L. Causticus, Gr. Kaustikos (18 Nov 1997) |
| caustic alkali | A highly ionised (in solution) alkali; e.g., NaOH. (05 Mar 2000) |
| caustic potash | KOH;a strong, penetrating caustic. Synonym: caustic potash. (05 Mar 2000) |
| caustic soda | <chemical> A highly caustic substance that is used to neutralise acids and make sodium salts. Pharmacological action: caustics, pharmaceutic aid. Chemical name: Sodium hydroxide (Na(OH)) (12 Dec 1998) |
| Loeffler's caustic stain | <technique> A stain for flagella, utilizing an aqueous solution of tannin and ferrous sulfate with the addition of an alcoholic fuchsin stain. (05 Mar 2000) |
| lunar caustic | Silver nitrate mixed with silver chloride and allowed to dry. Usually applied to the ends of small wooden applicator sticks or made available as pencils. These are used after wetting as a caustic chemical for the removal of warts. Synonym: fused silver nitrate, lunar caustic. (05 Mar 2000) |
| butanol-extractable iodine | Iodine that can be separated from plasma proteins by butanol or other extractable solvents; used to measure thyroid function. (05 Mar 2000) |
| butanol-extractable iodine test | An obsolete test for thyroid function, applicable in patients who have received large amounts of iodine or iodised products. Synonym: BEI test. (05 Mar 2000) |
| radioactive iodine | Iodine that gives off radiation. See radioiodine. (12 Dec 1998) |
| Mallory's iodine stain | <technique> Amyloid appears red-brown after Gram's iodine, then violet and blue after flooding with dilute sulfuric acid. (05 Mar 2000) |
| caseo-iodine | casein iodine |
| Gram's iodine | <microbiology> A solution containing iodine and potassium iodide, used in Gram's stain. (05 Mar 2000) |
| Weigert's iodine solution | An iodine-potassium iodide mixture used as a reagent to alter crystal and methyl violet so that they are retained by certain bacteria and fungi. (05 Mar 2000) |