| alkaline toluidine blue O | Toluidine blue O in borax solution, used with heat on semithick sections of epoxy embedded tissues. (05 Mar 2000) |
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| alkaline water | A water that contains appreciable amounts of the bicarbonates of calcium, lithium, potassium, or sodium. (05 Mar 2000) |
| alkaline wave | A period of urinary neutrality or even alkalinity after meals due to withdrawal of hydrogen ion for the purpose of secretion of the highly acid gastric juice. Synonym: alkaline wave. (05 Mar 2000) |
| alkaline-ash diet | A diet consisting mainly of fruits, vegetables, and milk (with minimal amounts of meat, fish, eggs, cheese, and cereals), which, when catabolised, leave an alkaline residue to be excreted in the urine. Synonym: acid-ash diet, basic diet. (05 Mar 2000) |
| alkalinity | <chemistry> Measure of the power of a solution to neutralise hydrogen ions (H+), usually expressed as the equivalent concentration (mg/L) of calcium carbonate (CaCO3). (13 Nov 1997) |
| alkalinization | The process of rendering alkaline. Synonym: alkalinization. (05 Mar 2000) |
| alkalinuria | The passage of alkaline urine. Synonym: alkaluria. Origin: alkaline + G. Ouron, urine (05 Mar 2000) |
| alkaliphile | <microbiology> An organism that grows optimally at high pH (alkaline conditions). The typical pH range for alkaliphiles is 8 - 11. They grow poorly or not at all at a pH below 7. Compare: acidophile. (13 Nov 1997) |
| alkaliser | An agent that neutralises acids or renders a solution alkaline. (05 Mar 2000) |
| alkalitherapy | Therapeutic use of alkali for local or systemic effect. (05 Mar 2000) |
| alkalization | The process of rendering alkaline. Synonym: alkalinization. (05 Mar 2000) |
| alkaloid | <chemistry, pharmacology> One of a large group of nitrogenous substances found in naturally in plants. They are usually very bitter and although the plant may be poisonous, many have extracts that are pharmacologically active. Examples are atropine, caffeine, coniine, morphine, nicotine, quinine, strychnine. The term is also applied to synthetic substances which have structures similar to plant alkaloids, such as procaine. (29 Sep 1997) |
| alkaloids | Organic nitrogenous bases. Many alkaloids of medical importance occur in the animal and vegetable kingdoms, and some have been synthesised. (12 Dec 1998) |
| alkalophile | <microbiology> A microorganism which grows best in alkaline, or basic, environments, where the pH is between 7 (neutral) and 12. (09 Oct 1997) |
| alkalosis | <biochemistry> A pathologic condition resulting from accumulation of base or from loss of acid without comparable loss of base in the body fluids and characterised by decrease in hydrogen ion concentration (increase in pH). Compare: acidosis. (18 Nov 1997) |