| Muerhrcke's sign | <clinical sign> Apparent leukonychia with white bands parallel to lanula of the nails, seen in hypoalbuminaemia. Synonym: Muehrcke's bands. (05 Mar 2000) |
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| Muller's sign | <clinical sign> In aortic insufficiency, rhythmical pulsatory movements of the uvula, synchronous with the heart's action; accompanied by swelling and redness of the velum palati and tonsils. (05 Mar 2000) |
| Munson's sign | <clinical sign> In keratoconus, the extra bowing of the lower eyelid caused by the misshapen cornea as the eye rotates downward. (05 Mar 2000) |
| wrist sign | <clinical sign> In Marfan's syndrome, when the wrist is gripped with the opposite hand, the thumb and fifth finger overlap appreciably. (05 Mar 2000) |
| Murphy's sign | <clinical sign> Pain on palpation of the right subcostal area during inspiration frequently associated with acute cholecystitis. (05 Mar 2000) |
| contralateral sign | <clinical sign> A physical examination finding that can indicate inflammation of the meninges (meningitis), performed in two forms: passive flexion of one leg results in a similar movement on the opposite side or if the neck is passively flexed, flexion occurs in the legs. (27 Sep 1997) |
| Coopernail's sign | <clinical sign> In fracture of the pelvis, occurrence of ecchymosis of the perineum and scrotum, or labia. (05 Mar 2000) |
| Musset's sign | <clinical sign> In incompetence of the aortic valve, rhythmical nodding of the head, synchronous with the heart beat. Synonym: de Musset's sign. (05 Mar 2000) |
| Corrigan's sign | <clinical sign> A full hard pulse followed by a sudden collapse easily palpated and occurring in aortic regurgitation. Synonym: Corrigan's pulse. (05 Mar 2000) |
| Courvoisier's sign | Enlargement of the gallbladder with jaundice is likely to result from carcinoma of the head of the pancreas and not from a stone in the common duct, because in the latter the gallbladder is usually scarred from infection and does not distend. Synonym: Courvoisier's sign. (05 Mar 2000) |
| Pool-Schlesinger sign | In tetany, spasm both of the extensor muscles of the knee and of the calf muscles when the extended leg is flexed at the hip. Synonym: leg phenomenon, Pool-Schlesinger sign, Schlesinger's sign. In tetany, contraction of the arm muscles following the stretching of the brachial plexus by elevation of the arm above the head with the forearm extended, resembles the contraction resulting from stimulation of the ulnar nerve. Synonym: arm phenomenon. (05 Mar 2000) |
| Crichton-Browne's sign | <clinical sign> A slight tremor at the angles of the mouth and at the outer canthus of each eye in general paresis. (05 Mar 2000) |
| Cruveilhier-Baumgarten sign | <clinical sign> A murmur over the umbilicus often in the presence of caput medusae, resulting from portal hypertension, usually with hepatic cirrhosis; recanalization of the umbilical vein with reverse blood flow from the liver into the abdominal wall veins creates the murmur. (05 Mar 2000) |
| Cullen's sign | <clinical sign> Periumbilical darkening of the skin from blood, a sign of intraperitoneal haemorrhage, especially in ruptured ectopic pregnancy. (05 Mar 2000) |
| Potain's sign | <clinical sign> In dilation of the aorta, dullness on percussion extending from the manubrium sterni toward the second intercostal space and the third costal cartilage on the right, the upper limit extending from the base of the sternum in the segment of a circle to the right. (05 Mar 2000) |