Cause of Pleural Plaque. Unlike pleural thickening, pleural plaques rarely form for reasons other than asbestos exposure, though some researchers believe inhalation of erionite fibers may lead to the formation of pleural plaques in some cases. (Erionite may be a cause of mesothelioma as well.
something that is produced by a cause or agent; result. power or ability to influence or produce a result; efficacy. the condition of being operative (esp in the phrases in or into effect) take effect â to become operative or begin to produce results. basic meaning or purpose (esp in the phrase to that effect)
The definition of affect means to produce a change in something. An example of affect is severe weather conditions drowning a vast number of crops on a farm.ransitive verb. 1  To have an influence on or effect a change in: Inflation affects the buying power of the dollar. 2  To act on the emotions of; touch or move. 3  To attack or infect, as a disease: Rheumatic fever can affect the heart.