形态学研究显示对照组的支气管黏膜有中性粒细胞浸润。
The infiltration of neutrophils in the bronchial mucosa was shown in control group in the morphometric study.
猪气管和支气管黏膜上皮之间都有IEL分布，尤其以气管叉处为多。
IEL of bronchia and tracheas distributed in bronchia mucosal epithelium and in tracheas mucosal epithelium, especially in bifurcation of tracheas.
而EGF表达主要在纤毛上皮、支气管黏膜上皮细胞基底膜和化生黏膜上皮细胞。
EGF staining was observed on ciliated and basal bronchial epithelial cells and in the metaplastic epithelium.
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