The newly revised and thoroughly updated Second Edition of delivers a comprehensive resource for pathologists and biomedical scientists tasked with identifying and understanding pathologic changes in genetically modified mice. The book is organized by body system, includes descriptions and explanations of a wide range of findings, as well as hundreds of color photographs illustrating both common and rare lesions that may be found in genetically engineered and wild type mice. The book is written by experienced veterinary and medical pathologists working in veterinary medical colleges, medical colleges, and research institutes. Covering the latest discoveries in mouse pathology resulting from advancements in biotechnology research over the last 30 years, this singular and accessible resource is a must-read for veterinary and medical pathologists and researchers working with genetically engineered and other mice. Readers will also benefit from: As a one-stop and up to date reference on mouse pathology, is an essential book for veterinary and medical pathologists, as well as for scientists, researchers, and toxicologists whose work brings them into contact with genetically modified mice.