| calcium sign | In chest radiography, displacement of the line of the calcified intima of the aorta away from its outer wall, a finding in a small percentage of cases of dissection of blood in the aortic media; the expression "displaced intimal calcification" is preferred to the listed term. See: aortic dissection. (05 Mar 2000) |
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| Calkins' sign | <clinical sign> The change of shape of the uterus from discoid to ovoid, indicating placental separation from the uterine wall. (05 Mar 2000) |
| Cantelli's 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) |
| carman meniscus sign | <radiology> Saemicircular (meniscoid) configuration of gastric ulcer seen in profile with compression, suggestive of malignancy see: gastric ulcers (12 Dec 1998) |
| Carman's sign | In gastric radiology, the appearance of a contrast-filled malignant ulcer, which does not extend beyond the line of the gastric wall as a benign ulcer would; also has a thick overhanging rim of tumour tissue. (05 Mar 2000) |
| Carnett's sign | <clinical sign> Disappearance of abdominal tenderness to palpation when the anterior abdominal muscles are contracted, indicating pain of intra-abdominal origin; its persistence suggests a source in the abdominal wall, which is also indicated when tenderness is caused by gently pinching a fold of skin and fat between the thumb and forefinger. (05 Mar 2000) |
| Macewen's sign | <clinical sign> Percussion of the skull gives a cracked-pot sound in cases of hydrocephalus. Synonym: Macewen's symptom. (05 Mar 2000) |
| Gaenslen's sign | <clinical sign> Pain on hyperextension of the hip with pelvis fixed by flexion of opposite hip; causes a torsion stress at the sacroiliac and lumbosacral joints. (05 Mar 2000) |
| Magendie-Hertwig sign | <clinical sign> Skew deviation of the eyes in acute cerebellar lesions. Synonym: Magendie-Hertwig syndrome. (05 Mar 2000) |
| Magnan's sign | <clinical sign> Paresthesia in the psychosis of cocaine addicts, who imagine they have a foreign body, in the shape of a powder or fine sand, under the skin, and that it is constantly changing its position. (05 Mar 2000) |
| Magnus' sign | <clinical sign> An obsolete sign: after death, constriction of a limb or one of its segments is not followed by venous congestion of the distal part. (05 Mar 2000) |
| Gauss' sign | <clinical sign> Marked mobility of the uterus in the early weeks of pregnancy. (05 Mar 2000) |
| Ransohoff's sign | <clinical sign> Yellow pigmentation in the umbilical region in rupture of the common bile duct. (05 Mar 2000) |
| Mannkopf's sign | <clinical sign> Acceleration of the pulse when a painful point is pressed upon. (05 Mar 2000) |
| Raynaud's sign | <clinical sign, dermatology> A condition marked by symmetrical cyanosis of the extremities, with persistent, uneven, mottled blue or red discolouration of the skin of the digits, wrists and ankles and with profuse sweating and coldness of the digits. The appearance is causes by constriction of small arterioles in the limbs and may be associated with anxiety or a hormonal disorder. Synonym: Raynaud's sign. (12 Mar 1998) |