The Human Pathology (AP) is the branch of medicine that deals with the study, through morphological techniques, the causes, course and consequences of disease. The ultimate goal is the correct diagnosis of biopsies, surgical specimens, cytology and autopsy. In the case of medicine, the critical area are human diseases. The Pathology is a medical specialty that has a body of basic doctrinal character that makes it, on the one hand, an autonomous academic discipline and, secondly, a functional unit in health care.
The word comes from the Greek pathology, and study (logos) of the suffering or damage (pathos).
The pathology is one of the cornerstones of medicine and essential basic discipline for doctors, veterinarians and other health professionals.
The interpretation of the symptoms of various diseases or disorders that are found in the examination of patients requires knowledge of the entire spectrum of lesions present in each tissue or organ.
The pathology encompasses all aspects of the disease, mainly on a morphological cellular level. These alterations are studied with various methods, ranging from molecular to macroscopic pathology; that result in changes observed in the microscopy (or conventional optical microscopy and electron microscopy) and the macroscopic; using various techniques from the histochemical and immunohistochemical until ultrastructure and molecular pathology techniques (FISH, PCR).