A summary from http://en.wikipedia.org/wiki/Pathology
Find it at Pathology Wikipedia
Pathology (from the Old Greek roots of pathos (Ï�Î¬Î¸Î¿Ï�), suggesting “experience” or “enduring”, as well as -logia (-Î”Î¿Î³Î¯Î±), “an account of”) is a substantial component of the causal study of disease and also a major area in modern-day medicine and medical diagnosis. The term pathology itself might be utilized broadly to describe the study of illness in general, incorporating a large variety of bioscience research study areas as well as medical methods, or even more directly to describe job within the modern medical field of “general pathology,” which consists of a number of distinctive yet inter-related clinical specializeds which diagnose disease mostly through the analysis of tissue, cell, and also physical body liquid examples. Made use of as a matter noun, “a pathology” (plural, “pathologies”) can likewise refer to the forecasted or real development of particular illness (as in the declaration “the lots of different forms of cancer have varied pathologies”), and also the affix path is often used to show a state of condition in cases of both physical ailment (as in cardiomyopathy) and also mental problems (such as psychopathy).  A physician exercising pathology is called a pathologist.
As a field of basic inquiry and research study, pathology addresses 4 elements of condition: cause/etiology, systems of advancement (pathogenesis), structural changes of cells (morphologic modifications), and also the effects of adjustments (clinical signs).  Alike clinical practice, basic pathology is mainly worried with examining known scientific problems that are pens or forerunners for both contagious as well as non-infectious condition as well as is conducted by experts in one of 2 significant specialties, physiological pathology and also scientific pathology. Additional divisions in specialized feed on the basis of the included sample kinds (comparing, for instance, cytopathology, hematopathology, and histopathology), organs (as in kidney pathology), as well as physiological systems (oral pathology), along with on the basis of the focus of the exam (just like forensic pathology).
The feeling of the word pathology as a synonym of condition or pathosis is typical in healthcare. The tenacity of this usage regardless of tried proscription is talked about in other places.
Pathology in the 1900s