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病原学

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病因学(英语:EtiologyAetiology,与原因论相同),或称为病原学,是一门探讨疾病成因的学问。大致上可以分成直接病因与助因两类。直接病因最常见的是创伤,或者是因为感染辐射暴露导致的疾病。直接病因不一定要很明显,有些可能是基因上缺陷因素的疾病,但在疾病表现上需要一段时间形成。助因是无法单独导致疾病的因素,往往不那么清晰且多发性,例如贫穷营养不良都可能是肺结核的助因。[1]

字源

病原学的英语“etiology”是由两个希腊字根组成,分别是:

  1. αἰτία aitia = 原因
  2. λόγος logos = 语言/学问

术语

病原学是病因的研究,“病原”是指病原体,二者不同。

参见

参考文献

  1. ^ 孙家栋. 簡明護理病理學. 汇华图书出版有限公司. 1996: P.4 [2014-02-06]. ISBN 9576406242. (原始内容存档于2014-02-22). 
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病原学
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