Related Terms. Atrophic Pancreas. Atrophic pancreas is the wasting away of the pancreas usually from chronic pancreatitis or CP. CP is further defined as an inflammatory disease that is advanced and described by permanent morphologic changes and gradual formation of excessive fibrous tissue replacement of the gland.
By this definition, approximately two-thirds of the population scores between IQ 85 and IQ 115, and about 5 percent of the population scores above 125. IQ scores have been shown to be associated with such factors as morbidity and mortality, parental social status, and, to a substantial degree, biological parental IQ.
The average IQ of the population as a whole is, by definition, 100. IQs range from 0 to above 200, and among children, to above 250. However, about 50% of the population have IQs between 89 and 111, and about 80% of the population have IQs ranging between 80 and 120, with 10% lying below 80, and 10% falling above 120.