| CLA | cerebellar ataxia; Certified Laboratory Assistant; cervicolinguoaxial; contralateral local anesthesi... |
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| HtPA | hexahydrophthalic anhydride |
| PA | panic attack; pantothenic acid; paralysis agitans; paranoia; passive aggressive; pathology; patient'... |
| REMA | repetitive excess mixed anhydride |
| TCPA | tetrachlorophthalic anhydride |
| 4-META | 4-Methacryloxyethyl trimellitate anhydride |
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| 4-META | 4-methacryloyloxyethyl trimellitate anhydride |
| HHPA | Hexahydrophthalic anhydride |
| MTHPA | Methyltetrahydrophthalic anhydride |
| PFPA | Pentafluoropropionic anhydride |
| acetic anhydride | <chemistry> Anhydrides of acetic acid. Used extensively as acetylation, oxidation and dehydrating agents and in the modification of proteins and enzymes. (12 Dec 1998) |
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| acetic phosphoric anhydride | CH3CO-OPO32-;a "high energy" phosphate that acts as an acetate donor in the metabolism of various bacteria. Synonym: acetic phosphoric anhydride. (05 Mar 2000) |
| acid anhydride hydrolases | <enzyme> A group of enzymes that catalyze the hydrolysis of diphosphate bonds in compounds such as nucleoside di- and tri-phosphates, and sulfonyl-containing anhydrides such as adenylylsulfate. (enzyme nomenclature, 1992). Registry number: EC 3.6 (12 Dec 1998) |
| acidic anhydride | <chemistry> A substance (such as the oxide of a nonmetallic element) that will react with water to form an acid. (09 Oct 1997) |
| anhydride | <chemistry> A compound that becomes an acid in the presence of water or becomes a base when water is removed. (12 Nov 1997) |
| basic anhydride | <chemical> A chemical (usually the oxide of a metal) which forms a base when it is mixed with water. (09 Oct 1997) |
| carbonic anhydride | <biochemistry, physiology> A metabolic byproduct of carbohydrate metabolism. Carbon Dioxide collects in the tissues, is cleared by the blood (via the veins) and removed from the body via the lungs when we exhale air. Abbreviation: CO2 (13 Nov 1997) |
| resorcinol phthalic anhydride | <chemical> Fluorophore commonly used in microscopy. Fluorescein di acetate can be used as a vital stain or can be conjugated to proteins (particularly antibodies) using isothiocyanate. Excitation is at 365nm and the emitted light is green yellow (450-490nm). The emission spectrum is pH sensitive and fluorescein can therefore be used to measure pH in intracellular compartments. (18 Nov 1997) |
| coumaric anhydride | <drug> O hydroxycinnamic acid. Pleasant smelling compound found in many plants and released on wilting (probably a major component of the smell of fresh hay). Has anticoagulant activity by competing with Vitamin K. (18 Nov 1997) |
| silicic anhydride | Fine particulate dust from quartz rock that is known to cause a progressive lung injury over long-term. See: pneumoconiosis. (27 Sep 1997) |
| trimethylglycocoll anhydride | <chemical> A derivative of glycine characterised by high water solubility. Can function as an osmotic agent in plant tissues. See: biogenic amines. (18 Nov 1997) |
| lactic | <physiology> Of or pertaining to milk; procured from sour milk or whey; as, lactic acid; lactic fermentation, etc. <biochemistry, physiology> Lactic acid, a sirupy, colourless fluid, soluble in water, with an intensely sour taste and strong acid reaction. There are at least three isomeric modifications all having the formula C3H6O3. Sarcolactic or paralactic acid occurs chiefly in dead muscle tissue, while ordinary lactic acid results from fermentation. The two acids are alike in having the same constitution (expressed by the name ethylidene lactic acid), but the latter is optically inactive, while sarcolactic acid rotates the plane of polarization to the right. The third acid, ethylene lactic acid, accompanies sarcolactic acid in the juice of flesh, and is optically inactive. Lactic ferment, an organised ferment (Bacterium lacticum or lactis), which produces lactic fermentation, decomposing the sugar of milk into carbonic and lactic acids, the latter, of which renders the milk sour, and precipitates the casein, thus giving rise to the so-called spontaneous coagulation of milk. Lactic fermentation. See Fermentation. Origin: L. Lac, lactis, milk: cf. F. Lactique. See Lacteal, and cf. Galactic. Source: Websters Dictionary (01 Mar 1998) |
| lactic acid | A byproduct of carbohydrate metabolism (anaerobic metabolism). A lactic acid level may be measured in the bloodstream in conditions of metabolic acidosis. Lactic acid is an intermediate product of carbohydrate metabolism and is derived mainly from muscle cells and red blood cells. Exercise will normally raise lactic acid levels. Conditions of oxygen deprivation (for example shock, heart failure, lung disease) will trigger anaerobic metabolism within muscle tissue resulting in lactic acid build up in the tissues. Normal lactic acid levels are 4.5 to 19.8 mg/dl. (25 Jun 1999) |
| lactic acid bacillus | A member of the genus Lactobacillus. (05 Mar 2000) |
| lactic acid bacteria | <microbiology> A group of Gram-positive, non-sporing bacteria which carry out a lactic acid fermentation of sugars. It includes species of Lactobacillus, Leuconostoc, Pediococcus and Streptococcus. See: lactic acid fermentation. (25 Jun 1999) |
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