This is the ninth volume in a series dealing with induced lesions in laboratory animals. The information on pathology and toxicology documented in the series is an aid to scientific institutions, industry and government agencies charged with the safety testing of food, drugs and chemicals.

The International Life Sciences Institute (ILSI) was established in 1978 to stimulate and support scientific research and educational programs related to nutrition, toxicology, and food safety, and to encourage cooper ation in these programs among scientists in universities, industry, and government agencies to assist in the resolu tion of health and safety issues. To supplement and enhance these efforts, ILSI has made a major commitment to supporting programs to har monize toxicologic testing, to advance a more uniform in terpretation of bioassay results worldwide, to promote a common...

The International Life Sciences Institute (ILSI) was estab lished in 1978 to stimulate and support scientific research and educational programs related to nutrition, toxicology, and food safety, and to encourage cooperation in these programs among scientists in universities, industry, and government agencies to assist in the resolution of health and safety issues. To supplement and enhance these efforts, ILSI has made a major commitment to supporting programs to harmon ize toxicologic testing, to advance a more uniform inter pretation of bioassay results worldwide, to promote a common...

The International Life Sciences Institute (ILSI) was estab lished in 1978 to stimulate and support scientific research and educational programs related to nutrition, toxicology, and food safety, and to encourage cooperation in these programs among scientists in universities, industry, and government agencies to assist in the resolution of health and safety issues. To supplement and enhance these efforts, ILSI has made a major commitment to supporting programs to harmonize toxicologic testing, to advance a more uniform interpreta tion of bioassay results worldwide, to promote a common...

The International Life Sciences Institute (ILSI) was estab lished in 1978 to stimulate and support scientific research and educational programs related to nutrition, toxicology, and food safety, and to encourage cooperation in these programs among scientists in universities, industry, and government agencies to assist in the resolution of health and safety issues. To supplement and enhance these efforts, ILSI has made a major commitment to supporting programs to harmonize toxicologic testing, to advance a more uniform interpreta tion of bioassay results worldwide, to promote a common...

The International Life Sciences Institute (ILSI) was creat ed to promote cooperative efforts toward solving critical health and safety questions involving foods, drugs, cosmet ics, chemicals, and other aspects of the environment. The Officers and Trustees believe that questions regarding health and safety are best resolved when government and industry rely on scientific investigations, analyses, and reviews by independent experts. Further, the scientific aspects of an issue should be examined and discussed on an international basis, separate from the political concerns of individual...

The International Life Sciences Institute (ILSI) was estab lished to stimulate and support scientific research and edu cational programs in nutrition, toxicology, and food safe ty; and to encourage cooperation in these programs among scientists from universities, industry, and government in order to facilitate the resolution of health and safety issues. The officers and trustees of ILSI believe that questions re garding health and safety are best resolved when govern ment and industry rely on scientific investigations, analy ses, and reviews by independent experts. This process is furthered...

During the years that have intervened since the third volume of the International Life Sciences Institute (ILSI) Monographs on Pathology of Laboratory Animals, Digestive System, was published, new information of interest to pathologists has developed at a rather remarkable pace. Standardized nomenclature has been proposed and gained significant acceptance during the period since the first edition and is being utilized on an international basis. This has resulted in improvement in communi cation of pathologic data to regulatory agencies and in scientific publica tions worldwide. This monograph...

Approximately ten years have elapsed since the second volume of the International Life Sciences Institute (ILSI) Monographs on Pathology of Laboratory Animals, Respiratory System, was first completed. New in formation of interest to pathologists has developed at a rather remark able pace during these years. Exceptional progress has been made in the routine identification of enzymes and cell products in respiratory cells. A better understanding has developed on the functions of cells of the respiratory tract and of the mechanisms involved in cell metabolism, particularly those involving toxins...

Several compounds are associated with experimentally induced neoplasms in the urinary systems, and especially the kidneys, of laboratory animals. Many of these neoplasms are succintly described and illustrated in detail in this volume, and some are compared with spontaneously occurring lesions. Pragmatic aspects of disease which are of particular interest to pathologists are emphasized, such as classification and differential diagnosis of neoplasms that occur in the urinary system; comparison and significance of toxic effects of substances in animals and humans; and similarities and...