Pathology as defined by Welch1 is “the science, as distinguished from the practice, of medicine. In a narrower and more restricted sense pathology is a study of the structural alterations produced by the disease, as revealed at postmortem examinations and during surgical operations. Pathologic anatomy is a study of these alterations, but the symptoms and the activities of the body resulting from these morbid changes belong also to pathology.”
The Changing Concepts in Pathology. JAMA. 2017;318(13):1288. doi:10.1001/jama.2017.10489
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