1 Cell Injury, Adaptations, and Death 2 Inflammation and Repair 3 Hemodynamics 4 Diseases of the Immune System 5 Neoplasia 6 Genetic and Pediatric Diseases 7 Environmental and Nutritional Diseases 8 Diseases of the Cardiovascular System 9 Diseases of the Hematopoietic and Lymphoid Systems 10 Diseases of the Respiratory System 11 Diseases of the Kidney and Urinary Tract 12 Diseases of the Mouth and Gastrointestinal Tract 13 Diseases of the Liver, Gallbladder, and Biliary Tract 14 Diseases of the Pancreas 15 Diseases of the Male and Female Genital Tract 16 Diseases of the Breast 17 Diseases of the Endocrine System 18 Diseases of the Musculoskeltal System 19 Diseases of the Peripheral and Central Nervous Systems 20 Diseases of the Skin 21 Mixed Items 22 Images