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.
肺气肿具有典型的特征,肺泡被破坏,肺实质丧失,以致形成持久性的含气区增大。
Emphysema is characterized by a loss of lung parenchyma by destruction of alveoli so that there is permanent dilation of airspaces.
氮氧化合物进入肺泡后,能形成亚硝酸和硝酸,对肺组织产生剧烈的刺激作用,增加肺毛细管的通透性,最后造成肺气肿。
Alveolar oxygen into nitrogen compounds, lead to the formation of nitrite and nitrate, a sharp stimulus to the lung tissue, increased pulmonary capillary permeability, leading to emphysema.
当腺泡近端的呼吸性细支气管扩张,而远端的肺泡扩张不明显,腺泡中央型肺气肿就会发生。
Centrilobular emphysema occurs with loss of the respiratory bronchioles in the proximal portion of the acinus, with sparing of distal alveoli.
当腺泡近端的呼吸性细支气管扩张,而远端的肺泡扩张不明显,腺泡中央型肺气肿就会发生。
Centrilobular emphysema occurs with loss of the respiratory bronchioles in the proximal portion of the acinus, with sparing of distal alveoli.
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