发生全肺气肿时，从呼吸性细支气管到肺泡的所有腺泡都丢失了。
Panacinar emphysema occurs with loss of all portions of the acinus from the respiratory bronchiole to the alveoli.
感染性支气管炎，也是由细菌引起，细菌性支气管炎常伴发病毒性上呼吸道感染。
Infectious bronchitis may also be caused by bacteria. Often bacterial bronchitis follows a viral upper respiratory infection.
在硅肺，病灶常包绕呼吸性细支气管，以小叶中心区为主。
As in patients with silicosis, these abnormalities tend to surround respiratory bronchioles and are primarily centrilobular in location.
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