Cellular, organic, and systematic reactions to acute and chronic injury related to infections, circulatory disturbances, intoxications, parasitism, immunologic disorders, metabolic disturbances, and disturbances of growth, including neoplasms; lectures, quizzes, demonstrations, and laboratory. Prerequisite: Second-year standing in veterinary curriculum or 25 hours in histology, parasitology, physiology, and microbiology; consent of instructor. 4 hours or 1 unit.