| RO | radiation oncology; radiation output; ratio of; relative odds; renal osteodystrophy; reverse osmosis... |
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| R/O | rule out |
| NPRM | Notice of Proposed Rule Making |
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| ATR | against the rule |
| WTR | with the rule |
| Traube | Ludwig, German physician and pathologist, 1818-1876. See: Traube's bruit, Traube's corpuscle, Traube's dyspnea, Traube's plugs, Traube's semilunar space, Traube's sign, Traube's double tone, Traube-Hering curves, Traube-Hering waves. (05 Mar 2000) |
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| Traube-Hering curves | Slow oscillations in blood pressure usually extending over several respiratory cycles; related to variations in vasomotor tone; rhythmical variations in blood pressure. Synonym: Traube-Hering waves. (05 Mar 2000) |
| Traube-Hering waves | Slow oscillations in blood pressure usually extending over several respiratory cycles; related to variations in vasomotor tone; rhythmical variations in blood pressure. Synonym: Traube-Hering waves. (05 Mar 2000) |
| Traube's bruit | A triple cadence to the heart sounds; due to an abnormal third or fourth heart sound being heard in addition to the first and second sounds, and usually indicative of serious disease. Synonym: bruit de galop, cantering rhythm, gallop rhythm, Traube's bruit. (05 Mar 2000) |
| Traube's corpuscle | A hypochromic, crescent-shaped erythrocyte, probably resulting from artifactual rupture of a red cell with loss of haemoglobin. Synonym: achromacyte, achromatocyte, ghost corpuscle, phantom corpuscle, Ponfick's shadow, shadow corpuscle, shadow, Traube's corpuscle. Origin: G. A-priv. + chroma, colour, + kytos, hollow (cell) (05 Mar 2000) |
| Traube's double tone | A double sound heard on auscultation over the femoral vessels in cases of aortic and tricuspid insufficiency. (05 Mar 2000) |
| Traube's dyspnea | An obsolete eponym for inspiratory dyspnea with maximal expansion of the chest and a slow respiratory rhythm. (05 Mar 2000) |
| Traube's plugs | Minute, dirty-grayish, ill-smelling masses of bacteria and fatty acid crystals in the sputum in pulmonary gangrene and fetid bronchitis. Synonym: Traube's plugs. (05 Mar 2000) |
| Traube's semilunar space | A crescentic space about 12 cm wide, bounded medially by the left border of the sternum, above by an oblique line from the sixth costal cartilage to the lower border of the eighth or ninth rib in the mid-axillary line and below by the costal margin; the percussion tone here is normally tympanitic, because of the underlying stomach, but is modified by pulmonary emphysema, a pleural effusion, or an enlarged spleen. (05 Mar 2000) |
| Traube's sign | <clinical sign> A double sound or murmur heard in auscultation over arteries (particularly the femoral arteries) in significant aortic regurgitation. (05 Mar 2000) |
| Abegg's rule | The tendency of the sum of the maximum positive and maximum negative valence of a particular element to equal 8; e.g., C may have a valence of +4 and -4, O of +6 and -2. Sometimes loosely stated as all atoms have the same number of valences, a consequence of the tendency of valence electron shells to be filled to 8. (05 Mar 2000) |
| American Law Institute rule | A test of criminal responsibility (1962): "a person is not responsible for criminal conduct if at the time of such conduct as a result of mental disease or defect he lacks substantial capacity either to appreciate the wrongfulness of his conduct or to conform his conduct to the requirements of law." (05 Mar 2000) |
| astigmatism against the rule | Astigmatism when the greater curvature or refractive power is in the horizontal meridian. (05 Mar 2000) |
| astigmatism with the rule | Astigmatism when the greater curvature or refractive power is in the vertical meridian. (05 Mar 2000) |
| pair rule gene | <molecular biology> A segmentation gene, expressed sequentially between gap genes and segment polarity genes. In development of Drosophila, a set of about 8 genes that are expressed only in alternate segments (odd or even) of the developing embryo. Loss of function mutants thus lack alternate segments. Examples: even skipped (eve), fushi tarazu (ftz), hairy. (18 Nov 1997) |
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