小管期;
Results It is showed that EGFR mainly localized in the airway surface epithelium during the pseudoglandular stage, and reached the peaks at canalicular period.
结果胎肺假腺期,EGFR的表达主要定位于支气管呼吸道上皮,小管期EGFR阳性反应达到最高峰。
And at this time, the lung tissue of embryo begin to enter canalicular period.
此时胚胎肺的组织发育开始进入小管期;
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