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Feyrter 首先指出呼吸上皮内的亮细胞有嗜银反应,Lauweryns 及 Cutz 相继使用银浸法,在人和哺乳动物的气管和各级支气管内观察到单个存在的细胞(K 细胞)和一些成团的细胞(神经上皮小体)均嗜银。Fricson 等用 Grimelius 银浸法研究小鼠气管上皮,指出 K 胞细对银产生弱的反应,Cutz 等用同法研究大鼠胎肺,发现 K 细胞对银产生阳性反应。关于出生后大鼠肺 K
Feyrter first pointed out that the bright cells in the respiratory epithelium have an argyrophilic response. Lauweryns and Cutz successively used the silver immersion method to observe the presence of single cells (K cells) and some clumps in the trachea and the bronchuses at all levels in humans and mammals Cells (neuroepithelial bodies) are silver-plated. Fricson et al. Used Grimelius silver immersion method to study the tracheal epithelium of mice, pointing out that K cells produced weak response to silver. Cutz et al used the same method to study rat fetal lung and found that K cells produced positive reaction to silver. About rat lung K after birth