Anwar Ul Haque
Department of Pathology, Azad Jammu & Kashmir Medical College, Muzaffarabad-AJK

Introduction
The place where modern medicine is standing today is the result of work of numerous honest, sincere, dedicated,
visionary, and hardworking men and women over centuries; those who left no stone unturned. Their tireless work made our lives safe and sound. Animal experimentations are important aspect of medical research that has played key role in progress of medicine in almost all its aspects and dimensions. Numerous antibiotics, chemotherapeutic agents have been evaluated in animals for safety and efficacy before being permitted for use in human beings. Animal experiments have shed light on many basic cellular and tissue phenomena and mechanisms! Animals through their sacrifices have made us wise!