| doll's eye sign | <clinical sign> Reflex movement of the eyes in the opposite direction to that which the head is moved, e.g., the eyes being lowered as the head is raised, and the reverse (Cantelli's sign); an indication of functional integrity of the brainstem tegmental pathways and cranial nerves involved in eye movement. Synonym: vestibular ocular reflex. (05 Mar 2000) |
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| Dorendorf's sign | <clinical sign> Fullness of one supraclavicular groove in aneurysm of the aortic arch. (05 Mar 2000) |
| double bubble sign | <radiology> Gas in stomach and duodenal bulb, duodenal atresia, annular pancreas, Ladd's bands, congenital duodenal web (or diaphragm) (12 Dec 1998) |
| double track sign | In paediatric radiology, a less common sign of congenital pyloric stenosis, when barium is caught between mucosal folds in the hypertrophied pylorus. (05 Mar 2000) |
| drawer sign | <clinical sign> In a knee examination, the forward or backward sliding of the tibia indicating laxity or tear of the anterior (forward slide) or posterior (backward slide) cruciate ligaments of the knee. Synonym: drawer test, Rocher's sign. (05 Mar 2000) |
| drooping lily sign | <radiology> Appearance of renal pelvis with duplicated collecting system, upper pole moiety obstructs, becomes hydronephrotic, most likely to be compresses lower-pole moiety and pushes it downward see also: Weigert-Meyer rule (12 Dec 1998) |
| Drummond's sign | <clinical sign> In certain cases of aortic aneurysm, a puffing sound, synchronous with cardiac systole, heard from the nostrils, when the mouth is closed. (05 Mar 2000) |
| Duchenne's sign | <clinical sign> Falling in of the epigastrium during inspiration in paralysis of the diaphragm. (05 Mar 2000) |
| Dupuytren's sign | <clinical sign> In congenital dislocation, free up and down movement of the head of the femur occurs upon intermittent traction, a crackling sensation on pressure over the bone in certain cases of sarcoma. (05 Mar 2000) |
| Duroziez' sign | A two-phase murmur over peripheral arteries, especially the femoral artery, due to rapid ebb and flow of blood during aortic insufficiency. Synonym: Duroziez' sign. (05 Mar 2000) |
| Quant's sign | <clinical sign> A T-shaped depression in the occipital bone occurring in many cases of rickets, especially in infants lying constantly in bed with pressure on the occiput. (05 Mar 2000) |
| Quenu-Muret sign | <clinical sign> In aneurysm, well-maintained collateral circulation indicated by issue of blood when the main artery of the limb is compressed and a puncture is made at the periphery. (05 Mar 2000) |
| Quincke's sign | The capillary pulse as appreciated in the finger and toenails during aortic regurgitation; ebb and flow is seen. Synonym: Quincke's sign. (05 Mar 2000) |
| inferior triangle sign | In chest radiology, lateral displacement of the diaphragmatic pleura near the diaphragm, associated with collapse of the upper lobe, usually on the right side. (05 Mar 2000) |
| objective sign | <clinical sign> A sign that is evident to the examiner. (05 Mar 2000) |