Frontal lessons: the first lesson will be dedicated to dealing with the issues relating to the organization of the course, the materials used, the examination methods, the material provided by the teacher, to the texts. Practical lessons will be carried out on laboratory biosecurity. In particular, the topics relating to the pathophysiology of thermoregulation, saline and acidic water balance, the immune response, the vascular and hemostasis system, of respiratory, liver, and cardiac pathology will be treated as well as the etiological aspects, the elements characterizing acute and chronic inflammation, the mechanisms of repair of wounds, regressive pathology, and pathological pigmentations, the various circle disorders and provided the elements of the regressive pathology.