| TE | echo-time; expiratory time; tennis elbow; test ear; tetanus; tetracycline; threshold energy; thrombo... |
|---|---|
| Se | secretion; selenium |
| ST | esotropia; scala tympani; scaphotrapezoid; sclerotherapy; sedimentation time; semitendinosus; sensor... |
| Tr | trace; tragion; transferrin; trypsin |
| tr | tincture; trace; traction; transaldolase; trauma, traumatic; tremor; triradial |
| TE | Trace element |
|---|---|
| TRACE | TRAndolapril Cardiac Evaluation |
| a-Se | Amorphous selenium |
| Se | E-selenium |
| Se-GPx | Selenium-dependent glutathione peroxidase |
| trace element | Any chemical element that an organism needs very small quantities of tosurvive. (09 Oct 1997) |
|---|---|
| memory trace | See: engram. (05 Mar 2000) |
| trace | 1. To mark out; to draw or delineate with marks; especially, to copy, as a drawing or engraving, by following the lines and marking them on a sheet superimposed, through which they appear; as, to trace a figure or an outline; a traced drawing. "Some faintly traced features or outline of the mother and the child, slowly lading into the twilight of the woods." (Hawthorne) 2. To follow by some mark that has been left by a person or thing which has preceded; to follow by footsteps, tracks, or tokens. "You may trace the deluge quite round the globe." (T. Burnet) "I feel thy power . . . To trace the ways Of highest agents." (Milton) 3. Hence, to follow the trace or track of. "How all the way the prince on footpace traced." (Spenser) 4. To copy; to imitate. "That servile path thou nobly dost decline, Of tracing word, and line by line." (Denham) 5. To walk over; to pass through; to traverse. "We do tracethis alley up and down." (Shak) Origin: OF. Tracier, F. Tracer, from (assumed) LL. Tractiare, fr.L. Tractus, p. P. Of trahere to draw. Cf. Abstract, Attract, Contract, Portratt, Tract, Trail, Train, Treat. 1. A mark left by anything passing; a track; a path; a course; a footprint; a vestige; as, the trace of a carriage or sled; the trace of a deer; a sinuous trace. 2. <chemistry> A very small quantity of an element or compound in a given substance, especially when so small that the amount is not quantitatively determined in an analysis;-hence, in stating an analysis, often contracted to tr. 3. A mark, impression, or visible appearance of anything left when the thing itself no longer exists; remains; token; vestige. "The shady empire shall retain no trace Of war or blood, but in the sylvan chase." (Pope) 4. <geometry> The intersection of a plane of projection, or an original plane, with a coordinate plane. 5. The ground plan of a work or works. Syn.-Vestige; mark; token. See Vestige. Origin: F. Trace. See Trace. Source: Websters Dictionary (01 Mar 1998) |
| trace conditioned reflex | A conditioned reflex established by applying the stimulus a short time before reinforcement; in the conditioned reflex of the animal so prepared, the response occurs at the same interval of time after the application of the stimulus as during the period of training. (05 Mar 2000) |
| trace conditioning | Conditioning when there is no temporal overlap between the conditioning stimulus and the unconditioned stimulus. (05 Mar 2000) |
| trace elements | A group of chemical elements that are needed in minute quantities for the proper growth, development, and physiology of an organism. (12 Dec 1998) |
| trace nutrient | Essential dietary elements required only in small quantities. They are present in the body in amounts less than .005% of body weight. (12 Dec 1998) |
| selenium | <element> Essential trace element that must be provided as a supplement in serum free culture media for most animal cells. (18 Nov 1997) |
| selenium compounds | Inorganic compounds that contain selenium as an integral part of the molecule. (12 Dec 1998) |
| selenium deficiency | deficiency of the essential mineral selenium causes keshan disease, a fatal form of cardiomyopathy (disease of the heart muscle) first observed in keshan province in china and since found elsewhere. According to the national academy of sciences, the recommended dietary allowances of selenium are 70 milligrams per day for men and 55 milligrams per day for women. Food sources of selenium include seafoods, some meats such as kidney and liver, and some grains and seeds (12 Dec 1998) |
| selenium excess | Too much of the mineral selenium may cause reversible changes in the hair (balding) and nails, garlic odour to the breath, intestinal distress, weakness and slower mentation (slowed mental functionning). According to the national academy of sciences, the recommended dietary allowances of selenium are 70 milligrams per day for men and 55 milligrams per day for women. (12 Dec 1998) |
| selenium poisoning | Chronic poisoning of horses, cattle, and swine, caused by ingestion of grains and forage raised on soils high in selenium; it occurs only in arid regions, from eating certain plants which are selenium accumulators. (05 Mar 2000) |
| selenium radioisotopes | Unstable isotopes of selenium that decay or disintegrate emitting radiation. Se atoms with atomic weights 70-73, 75, 79, 81, and 83-85 are radioactive selenium isotopes. (12 Dec 1998) |
| selenium sulfide | A mixture of crystalline selenium monosulfide and solid solutions of selenium and sulfur in an amorphous form, containing 52 to 55.5% Se; used in the treatment of seborrhoea of the scalp or dandruff; it is applied to the scalp as a suspension. (05 Mar 2000) |
| selenium transferase | <enzyme> Converts phosphoseryl-trna to selenocysteinyl-trna; product of sela gene; converts seryl-trna(sec)(uca) to selenocysteyl-trna(sec)(uca) in pyridoxal-phosphate dependent reaction Registry number: EC 2.- Synonym: se-transferase, selenocysteine synthase (26 Jun 1999) |
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