| Concato | Luigi M., Italian physician, 1825-1882. See: Concato's disease. (05 Mar 2000) |
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| Concato's disease | Chronic inflammation with effusions in several serous cavities resulting in fibrous thickening of the serosa and constrictive pericarditis. Synonym: Bamberger's disease, Concato's disease, multiple serositis. Origin: poly-+ L. Serum, serum, + G. -itis, inflammation Familial paroxysmal polyserositis, transient recurring attacks of abdominal pain, fever, pleurisy, arthritis, and rash; the condition is asymptomatic between attacks; autosomal recessive inheritance. There is an autosomal dominant recessive in which amyloidosis in common. Synonym: benign paroxysmal peritonitis, familial Mediterranean fever, familial recurrent polyserositis, Mediterranean fever, periodic peritonitis, periodic polyserositis. (05 Mar 2000) |
| concave | Having a depressed or hollowed surface. Origin: L. Concavus, arched or vaulted (05 Mar 2000) |
| concave lens | A diverging minus power lens. Synonym: minus lens. (05 Mar 2000) |
| concave mirror | A spherical reflecting surface that constitutes a segment of the interior of a sphere. (05 Mar 2000) |
| concavity | A hollow or depression, with more or less evenly curved sides, on any surface. (05 Mar 2000) |
| concavoconcave | Concave on both sides; as, biconcave vertebrae. Source: Websters Dictionary (01 Mar 1998) |
| concavoconcave lens | A lens that is concave on two opposing surfaces. Synonym: concavoconcave lens, double concave lens. (05 Mar 2000) |
| concavoconvex | Concave on one surface and convex on the opposite surface. (05 Mar 2000) |
| concavoconvex lens | A converging meniscus lens that is concave on one surface and convex on the opposite surface. (05 Mar 2000) |
| concealed conduction | Conduction of an impulse through a part of the heart without direct evidence of its presence in the electrocardiogram; conduction is inferred only because of its influence on the subsequent cardiac cycle. (05 Mar 2000) |
| concealed haemorrhage | Bleeding into organs or cavities of the body. Synonym: concealed haemorrhage. (05 Mar 2000) |
| concealed hernia | A hernia not found on inspection or palpation. (05 Mar 2000) |
| concealed penis | Usually a complication of circumcision wherein the anastomotic line between shaft skin and preputial collar closes like an iris or cicatrix over glans (some equate this to buried penis). (05 Mar 2000) |
| concentrated human red blood corpuscle | Corpuscle prepared from one or more preparations of whole human blood which are not more than 14 days old and each of which has already been directly matched with the blood of the intended recipient. (05 Mar 2000) |