Result: at 8-week embryo, trachea consists of 2-3 layers of stratified columnar cells and mesenchyme around the cells, the reaction of PAS of epithelium was positive.
结果：8周的胚胎，气管壁由2 3层复层柱状上皮细胞及外周的间充质构成，上皮细胞的PAS反应为阳性。
The result of PAS reaction shows that the cell test was positive as the starch grains obviously accumulated.
其花蜜腺在发育过程中液泡化动态明显，PAS反应测试细胞具阳性物质，淀粉粒积累动态较明显。
The PAS reaction was of pGcs positive.
原始生殖细胞的PAS反应呈阳性。
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