Aims and methods of Pathological Anatomy Veterinary. Classification of injury, organ or organ system related to the etiology. Diseases specific species and pathognomotic patterns. Differences between animal species. Sampling , biopsy and cytology for laboratory investigations. Etiopathogenesis, diagnostic significance and evolutionary phases-orientation in the forms of reversible and irreversible disease. Recognition of lesions applied the inspection of food of animal origin. Desease of skin, gastrointestinal , respiratory, circulatory and lymphatic system.