Contents: 1. Introduction. 2. Toxins affecting the alimentary tract. 3. Hepatic diseases associated with major phytotoxins. 4. Cardiac toxicities. 5. Toxins affecting the hemolymphatic system. 6. Respiratory system toxicoses. 7. Toxic agents affecting the kidney. 8. Toxins affecting the nervous system. 9. Toxic diseases primarily affecting the spinal cord. 10. Toxic agents affecting the musculoskeletal system. 11. Toxicities affecting the skin. 12. Toxic agents primarily affecting the reproductive system. 13. Multi-organ diseases due to toxicity. 14. Toxicoses in dogs and cats. 15. Toxicoses in birds. 16. Collection, preservation and submission of samples for toxicological analysis and in veterolegal cases.