| tender lines | Bands of cutaneous hyperesthesia associated with acute or chronic inflammation of the viscera. Synonym: Head's zones, tender lines, tender zones. (05 Mar 2000) |
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| Eberth's lines | Line's appearing between the cells of the myocardium when stained with silver nitrate. (05 Mar 2000) |
| tram lines | The images of bronchial walls, usually thickened; colloq., British. Synonym: radiographic parallel line shadows. (05 Mar 2000) |
| transverse lines of sacrum | One of four ridges that cross the pelvic surface of the sacrum; these mark the positions of the intervertebral disks between the bodies of the five sacral vertebrae in the immature bone. Synonym: lineae transversa ossi sacri. (05 Mar 2000) |
| Kerley A lines | Images of deep interlobular septa; longer, thicker, and more central than Kerley B lines; usually in upper lobes. (05 Mar 2000) |
| Kerley B lines | Fine peripheral septal lines. Synonym: costophrenic septal lines. (05 Mar 2000) |
| Kerley C lines | A non-specific fine reticular pattern on chest radiographs. (05 Mar 2000) |
| Zollner's lines | Figures devised to show the possibility of optical illusions; a common one consists of two parallel line's which are met by numerous short lines obliquely placed; the parallel lines then seeming to converge or diverge. (05 Mar 2000) |
| field lines | <radiobiology> Lines in space along which a field is either changing or not changing (depends on the kind of field) but which help to create diagrams which characterise the behaviour and effects of the field. For instance, electric field lines run in the direction that the electric field will push charged particles, the strength of the field is proportional to the density of the field lines. On the other hand, the magnetic force pushes particles in a direction perpendicular to both the particle's velocity and the direction of the magnetic field line. (09 Oct 1997) |
| fleischner lines | <radiology> Long line shadows (fibrotic scar) from invagination of pleura at the base of the collapse resulting in pseudofissure, seen in pulmonary infarction (12 Dec 1998) |
| fraunhofer lines | <physics> The lines of the spectrun; especially and properly, the dark lines of the solar spectrum, so called because first accurately observed and interpreted by Fraunhofer, a German physicist. Source: Websters Dictionary (01 Mar 1998) |
| Fraunhofer's lines | A number of the most prominent of the absorption line's of the solar spectrum. (05 Mar 2000) |
| LINES | <abbreviation> Long interspersed elements. (05 Mar 2000) |
| lines of Retzius | Incremental line's of rhythmic deposition of successive layers of enamel matrix during development. Synonym: lines of Retzius. (05 Mar 2000) |
| lines of Zahn | Riblike markings seen by the naked eye on the surface of antemortem thrombi; they consist of a branching framework of platelets and fibrin separating the coagulated blood cells. Synonym: striae of Zahn. (05 Mar 2000) |