The book "M1 Muscarinic Receptor-Mediated Anti-Inflammatory Action in Colitis" provides a comprehensive examination of the role of the muscarinic M1 receptor in the pathophysiology of ulcerative colitis, a chronic inflammatory bowel disease. It details the mechanisms that lead to inflammation in the colon and presents the results of experiments investigating the effects of acetate-induced colitis. The authors analyze the effects of McN-A-343, a specific agonist of the M1 receptor, and demonstrate how it can significantly reduce inflammatory responses in the gut. The research findings suggest that the M1 receptor plays a crucial role in modulating inflammatory processes and could therefore represent a potential target for therapeutic interventions. This specialized book is aimed at professionals and students in the fields of medicine and nursing who are involved in the treatment and understanding of inflammatory bowel diseases.