| PPD | packs per day; paraphenylenediamine; percussion and postural drainage; permanent partial disability;... |
|---|---|
| misc | miscarriage; miscellaneous |
| DME | degenerative myoclonus epilepsy; dimethyl diester; dimethyl ether; diphasic meningoencephalitis; dir... |
| Hg | mercury [Lat. hydrargyrum] |
| mHg | millimeter of mercury |
| HMDE | Hanging Mercury Drop Electrode |
|---|---|
| mer | mercury resistance |
| 32P | Purified |
| PPI | Purified Pork Insulin |
| PPD | Purified Protein Derivate |
| purified cotton | Absorbent cotton in which the hairs of the seed of varieties of Gossypium and other allied species are freed from adhering impurities, deprived of fatty matter, bleached, and sterilised; used for tampons, etc. (05 Mar 2000) |
|---|---|
| purified ozokerite | A natural mixture of hydrocarbons of high molecular weight; a substitute for beeswax, also used in dentistry for impressions. Synonym: cerin, cerosin, earth wax, mineral wax, purified ozokerite. (05 Mar 2000) |
| purified placental protein | human placental lactogen |
| purified protein derivative of tuberculin | Purified tuberculin containing the active protein fraction; the tuberculin from which it is prepared differs from tuberculin chiefly in that the bacteria are grown in a synthetic rather than in a broth medium. (05 Mar 2000) |
| purified water | Water obtained by distillation or deionization. (05 Mar 2000) |
| ammoniated mercury | Used in ointment for the treatment of skin diseases. Synonym: ammoniated mercuric chloride, white mercuric precipitate. (05 Mar 2000) |
| mercury | 1. <astronomy> The first planet in order from the sun. It has no known natural satellites. It is one of the four inner or terrestrial planets of the solar system. It is the planet nearest the sun, from which its mean distance is about 36,000,000 miles. Its period is 88 days, and its diameter 3,000 miles. 2. <chemistry> A metallic element mostly obtained by reduction from cinnabar, one of its ores. It is a heavy, opaque, glistening liquid (commonly called quicksilver), and is used in barometers, thermometers, ect. Specific gravity 13.6. Symbol Hg (Hydrargyrum). Atomic weight 199.8. Mercury has a molecule which consists of only one atom. It was named by the alchemists after the god Mercury, and designated by his symbol, <mercury/. Mercury forms alloys, called amalgams, with many metals, and is thus used in applying tin foil to the backs of mirrors, and in extracting gold and silver from their ores. It is poisonous, and is used in medicine in the free state as in blue pill, and in its compounds as calomel, corrosive sublimate, etc. It is the only metal which is liquid at ordinary temperatures, and it solidifies at about -39 deg Centigrade to a soft, malleable, ductile metal. 3. Sprightly or mercurial quality; spirit; mutability; fickleness. "He was so full of mercury that he could not fix long in any friendship, or to any design." (Bp. Burnet) 6. <botany> A plant (Mercurialis annua), of the Spurge family, the leaves of which are sometimes used for spinach, in Europe. The name is also applied, in the United States, to certain climbing plants, some of which are poisonous to the skin, especially. To the Rhus Toxicodendron, or poison ivy. Origin: L. Mercurius; akin to merx wares. Source: Websters Dictionary (25 Jun 1999) |
| mercury arc | An electric discharge through mercury vapor between electrodes, one of which is usually mercury; provides a rich source of therapeutic ultraviolet rays; the containing tube is usually quartz; may also be glass with a fluorite window. (05 Mar 2000) |
| mercury bichloride | <chemical> Mercury chloride (hgcl2). A highly toxic compound that volatises slightly at ordinary temperature and appreciably at 100 degrees c. It is corrosive to mucous membranes and used as a topical antiseptic and disinfectant. Pharmacological action: anti-infective agents, local, disinfectants. Chemical name: Mercury chloride (HgCl2) (12 Dec 1998) |
| mercury biniodide | mercuric iodide, red |
| mercury compounds | Inorganic compounds that contain mercury as an integral part of the molecule. (12 Dec 1998) |
| mercury deutoiodide | mercuric iodide, red |
| mercury isotopes | Stable mercury atoms that have the same atomic number as the element mercury, but differ in atomic weight. Hg-196, 198-201, and 204 are stable mercury isotopes. (12 Dec 1998) |
| mercury poisoning | A disease usually caused by the ingestion of mercury or mercury compounds, which are toxic in relation to their ability to produce mercuric ions; usually acute mercury poisoning is associated with ulcerations of the stomach and intestine and toxic changes in the renal tubules; anuria and anaemia may occur; usually chronic mercury poisoning is a result of industrial poisoning and causes gastrointestinal or central nervous system manifestations including stomatitis, diarrhoea, ataxia, tremor, hyperreflexia, sensorineural impairment, and emotional instability (Mad Hatter syndrome). Synonym: hydrargyria, hydrargyrism, mercurialism. (05 Mar 2000) |
| mercury protoiodide | HgI;used externally as an ointment in eye diseases. Synonym: mercury protoiodide, yellow mercury iodide. (05 Mar 2000) |
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