Hematology Hematology Hematology, also spelled haematology, is the branch of medicine concerned with the study of the cause, prognosis, treatment, and prevention of diseases related to blood. It involves treating diseases that affect the production of blood and its components, such as blood cells, hemoglobin, blood proteins, bone marrow, platelets, blood vessels, spleen, and the mechanism of coagulation. Such diseases might include hemophilia, blood clots, other bleeding disorders and blood cancers such as leukemia, multiple myeloma, and lymphoma. The laboratory work that goes into the study of blood is frequently performed by a medical technologist or medical laboratory scientist. Many hematologists
Brunonian system of medicine Brunonian system of medicine The Brunonian system of medicine is a theory of medicine which regards and treats disorders as caused by defective or excessive excitation. It was developed by the Scottish physician John Brown and is outlined in his 1780 publication "Elementa Medicinae". It drew on the theories of his teacher William Cullen, but whereas Cullen set out to create a systematic nosology of diseases, Brown argued for a unified model in which all disease was related to stimulation. Although Brown's theory never became very popular in Britain, it had temporary success in America, Italy, and the German-speaking part