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aetiology n. 原因论 原因论 aetiology n 1: the cause of a disease [synonym: {etiology}, {aetiology}] 2: the philosophical study of causation [synonym: {etiology}, {aetiology}] pathology \pa*thol"o*gy\ (-j[y^]), n.; pl. {pathologies}
(-j[i^]z). [Gr. pa`qos a suffering, disease -logy: cf. F. pathologie.] 1. (Med.) The science which treats of diseases, their nature, causes, progress, symptoms, etc. [1913 Webster] Note: Pathology is general or special, according as it treats of disease or morbid processes in general, or of particular diseases; it is also subdivided into internal and external, or medical and surgical pathology. Its departments are {nosology}, {[ae]tiology}, {morbid anatomy}, {symptomatology}, and {therapeutics}, which treat respectively of the classification, causation, organic changes, symptoms, and cure of diseases. [1913 Webster] 2. (Med.) The condition of an organ, tissue, or fluid produced by disease. [Webster 1913 Suppl.] {Celluar pathology}, a theory that gives prominence to the vital action of cells in the healthy and diseased functions of the body. --Virchow. [1913 Webster] aetiology \ae`ti*ol"o*gy\ ([=e]`t[i^]*[o^]l"[-o]*j[y^]), n. [L. aetologia, Gr. a'itiologi`a; a'iti`a cause lo`gos description: cf. F. ['e]tiologie.] 1. The science, doctrine, or demonstration of causes; esp., the investigation of the causes of any disease; the science of the origin and development of things; etiology. AS [1913 Webster] 2. The assignment of a cause. [1913 Webster] 3. (Med.) The cause or origin of a disease. Now more commonly written {etiology}. [PJC AS]
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