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

肺泡内充满空气，有肺巨噬细（II皮细）。

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

论茶多有抗石英所致肺细损伤及肺内炎性反应的作用。