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Mechanisms of disease

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Term
Definition
health   physical, mental, and social well-being  
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disease   an abnormality in body funtion that threatens health  
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etiology   the study of the factors that cause disease  
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idiopathic   refers to a disease withan unknown cause  
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signs   objective abnormalities associated with disease  
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symptoms   subjective abnormalities associated with disease  
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pathogenesis   the pattern of a disease's development  
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epidemiology   study of disease  
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endemic   disease that is native to a local region  
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epidemic   disease that affects many people at the same time  
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pandemic   widespread, global disease  
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genetic mechanism   disease caused by altered or mutated genes  
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infectious mechanism   disease caused by pathogenic organism  
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neoplastic mechanism   disease caused by tumors  
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traumatic mechanism   disease caused by physical and chemical agents  
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metabolic mechanism   disease caused by endocrine imbalances or malnutrition  
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inflammatory mechanism   contains autoimmune and inflammatory responses  
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autoimmunity   immune system attacking the body  
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inflammatory response   speeds recovery from an infection or injury  
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risk factors   predisposing conditions  
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viruses   microscopic parasites  
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prions   pathogenic protein molecules  
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bacteria   tiny cells without nuclei  
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spores   nonreproducing forms of bacteria  
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fungi   simple organisms similar to plants, consume or parasitize other organisms  
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protozoa   infest human fluids and parasitize or destroy cells  
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nematodes   roundworms  
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platyhelminths   flatworms and flukes  
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arthropods   vectors of disease  
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benign tumors   remain localized  
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mailgnant tumors   spread and form secondary tumors  
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neoplasms   tumors  
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adenoma   glandular tumor  
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lipoma   adipose (fat) tumor  
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osteoma   bone tumor  
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chondroma   cartilage tumor  
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sarcoma   connective tissue tumor  
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lymphoma   lymphatic cancer  
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carcinoma   malignant epithelial tumor  
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melanoma   involves melanocytes  
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adenocarcinoma   glandular cancer  
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osteosarcoma   bone cancer  
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myeloma   bone marrow tumor  
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fibrosarcoma   cancer of fibrous tissue  
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hyperplasia   growth of too many cells  
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anaplasia   development of undifferentiated cells  
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cachexia   syndrome including appetite loss, weight loss, and general weakness  
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inflammatory response   signs: redness, heat, swelling, pain  
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inflammation mediators   histamine, prostaglandin, and kinins  
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chemotaxis   attraction of white blood cells to injury site  
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fever   high body temperature  
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