The present study was carried out to study gills, liver and kidney histopathology in the freshwater fish, Tilapia zillii which exposed to three levels of aluminum (25, 50, and 100 μg/L) for 96 hour in acidic soft water (pH 6.0). Several histopathological changes were observed in fish organs would serve useful purpose in evaluating the toxic effects of aluminum. Histopathological changes in gill...

ed from each of natural sciences. An analogy is the difference between behavioral sciences (the set of behavioral psychology, behavioral sociology, etc.) and behavioral science as a general concept. The general concept abstracted from natural and social sciences and humanities (including arts) are referred to as knowledge (the modern version of medieval scientia). This chapter mainly or almost ...