deviation /de·vi·a·tion/ (de″ve-a´shun)
deviation [de″ve-a´shun]
1. variation from the regular standard or course.
2. strabismus.
3. the difference between a sample value and the mean.
complement deviation inhibition of complement fixation or complement-mediated immune hemolysis in the presence of excess antibody.
conjugate deviation deflection of the eyes in the same direction at the same time.
immune deviation modification of the immune response to an antigen by previous inoculation of the same antigen.
radial deviation
1. a hand deformity sometimes seen in rheumatoid arthritis, in which the fingers are displaced to the radial side.
2. splinting of arthritic hands into this position to correct ulnar deviation.
sexual deviation sexual behavior or fantasy outside that which is morally, biologically, or legally sanctioned, often specifically one of the paraphilias.
standard deviation (SD) a measure of the amount by which each value deviates from the mean; equal to the square root of the variance; symbol σ.
ulnar deviation a hand deformity of chronic rheumatoid arthritis and lupus erythematosus in which swelling of the metacarpophalangeal joints causes displacement of the fingers to the ulnar side.
deviation [de″ve-a´shun]
1. a turning away from the regular standard or course.
2. in ophthalmology, strabismus.
3. in statistics, the difference between a sample value and the mean.
axis deviation an axis shift in the frontal plane, as seen on an electrocardiogram. There are three types: Left, from −30° to −90°; Right, from +90° to +180°; and Undetermined, which may be either extreme left or extreme right, from −90° to +180°.
conjugate deviation dysfunction of the ocular muscles causing the two eyes to diverge to the same side when at rest.
sexual deviation sexual behavior or fantasy outside that which is morally, biologically, or legally sanctioned, often specifically one of the paraphilias.
standard deviation (SD) the dispersion of a random variable; a measure of the amount by which each value deviates from the mean. It is equal to the square root of the variance. For data that have a normal distribution, about 68 per cent of the data points fall within (plus or minus) one standard deviation from the mean and about 95 per cent fall within (plus or minus) two standard deviations. Symbol σ.
ulnar deviation a hand deformity, seen in chronic rheumatoid arthritis and lupus erythematosus, in which swelling of the metacarpophalangeal joints causes the fingers to become displaced to the ulnar side. Called also ulnar drift. See illustration.
Ulnar deviation (ulnar drift) of the metacarpophalangeal joint, a characteristic sign of rheumatoid arthritis. From Pedretti and Early, 2001.
ulnar deviation (ul´n
r),n a position of the hand in which the wrist bends toward the little finger. Continued ulnar deviation positioning may cause a repetitive strain injury.
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