The alveoli are well-aerated and contain only an occasional pulmonary macrophage (type II pneumonocyte).

肺泡内气，有肺巨噬（II型上皮）。

Conclusion TP played a protective role in quartz induced pneumonocyte injury and inflammatory response.

论茶多酚具有抗石英所致肺伤及肺内炎性反应的作用。