| alkaline tide | 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) |
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| acid tide | A temporary increase in the acidity of the urine occurring during fasting. Synonym: acid wave. (05 Mar 2000) |
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| mixed tide | <ecology, marine biology> Tidal cycle in which there are usually two high and two low tides during a day. (13 Nov 1997) |
| high tide line | The line of intersection of the land with the water's surface at the maximum height reached by a rising tide. The high tide line may be determined, in the absence of actual data, by a line of oil or scum along shore objects, a more or less continuous deposit of fine shell or debris on the foreshore or berm, other physical markings or characteristics, vegetation lines, tidal gages, or other suitable means that delineate the general height reached by a rising tide. The line encompasses spring high tides and other high tides that occur with periodic frequency but does not include storm surges in which there is a departure from the normal or predicted reach of the tide due to the piling up of water against a coast by strong winds such as those accompanying a hurricane or other intense storm. (09 Oct 1997) |
| tide | <marine biology> A situation in which the level of the ocean and associated bodies of water periodically fluctuates due to the action of lunar (moon) and solar (sun) forces upon the rotating earth. (09 Oct 1997) |
| fat tide | An increase in the fat content of blood and lymph following a meal. (05 Mar 2000) |
| AH-101 thermostable alkaline protease | <enzyme> Isolated from bacillus sp. No. Ah-101; has sequence similarity to other subtilisin-like enzymes Registry number: EC 3.4.21.- Synonym: ah-101 protease (26 Jun 1999) |
| alkaline | <chemistry> Having the reactions of an alkali. Origin: L. Alkalinus (18 Nov 1997) |
| 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) |
| alkaline D-peptidase | <enzyme> A penicillin-recognizing enzyme from bacillus cereus; has beta-lactamase activity; genbank d86380 Registry number: EC 3.4.99.- Synonym: ADP gene product, alkaline d-stereospecific endopeptidase (26 Jun 1999) |
| alkaline earth | <chemistry> Any of the metallic elements found in the second column of the periodic table, such as calcium and magnesium. (09 Oct 1997) |
| alkaline earth elements | Those element's in the family Be, Mg, Ca, Sr, Ba, and Ra, the hydroxides of which are highly ionised and hence alkaline in water solution. (05 Mar 2000) |
| alkaline earths | See: alkaline earth elements. (05 Mar 2000) |
| alkaline elastase | <enzyme> Serine proteinase with molecular weight of 25,000 from alkalophilic bacillus sp. Ya-b Registry number: EC 3.4.21.- (26 Jun 1999) |
| alkaline milk drip | A variable mixture of sodium bicarbonate in whole milk dripped into the stomach through a small oral or nasal tube to produce constant achlorhydria; used in the treatment of certain ulcers. (05 Mar 2000) |
| alkaline phosphatase | <enzyme> An enzyme that catalyses the cleavage of inorganic phosphate non-specifically from a wide variety of phosphate esters and having a high (greater than 8) pH optimum. Found in bacteria, fungi and animals but not in higher plants. (18 Nov 1997) |