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[10] On the other hand, they say, although 95% of the patients who actually have lupus test positive for ANA, "Only a small percentage have a negative ANA, and many of those have other antibodies (such as anti-phospholipid antibodies, anti-Ro, anti-SSA) or their ANA converted from positive to negative from steroids, cytotoxic medications, or ...
Animal tissue was the first substrate for immunofluorescent detection of antinuclear antibodies and has been in use since the late 1950s. Liver and kidney tissue sections from animals such as rats are used to identify anti-dsDNA antibodies. This substrate has largely been superseded by the use of HEp-2 cells. [1]
The word is derived from the Greek prefix ana-, meaning "back" or "again", and the word morphe, meaning "shape" or "form". Extreme anamorphosis has been used by artists to disguise caricatures, erotic and scatological scenes, and other furtive images from a casual spectator, while revealing an undistorted image to the knowledgeable viewer. [1]
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Examples of computer clip art, from Openclipart. Clip art (also clipart, clip-art) is a type of graphic art. Pieces are pre-made images used to illustrate any medium. Today, clip art is used extensively and comes in many forms, both electronic and printed. However, most clip art today is created, distributed, and used in a digital form.
An animal epithet is a name used to label a person or group, by association with some perceived quality of an animal. Epithets may be formulated as similes , explicitly comparing people with the named animal, as in "he is as sly as a fox", or as metaphors , directly naming people as animals, as in "he is a [sly] fox".
Rubin's vase utilizes the concept of Negative space to create ambiguous images: the vase or two opposing faces. Ambiguous images or reversible figures are visual forms that create ambiguity by exploiting graphical similarities and other properties of visual system interpretation between two or more distinct image forms.
Although Rage Comics in themselves are not image macros, images of specific rage faces are taken and put into image macro format and used in conjunction to their implied emotion or context. Another popular type of image macro includes a picture of a certain person or figure drawn from various sources in front of a colored background, known as ...