These epithelial elements arise embryologically from foregut endoderm in the process of bronchial tubular growth.
这些表皮细胞在胚胎学上把源于支气管生长过程中的前内脏叫内胚层.
Successive section sees endoderm has exfoliate phenomenon.
连续切片见内皮层有剥脱现象.
This research explored the role of pharyngeal pouch endoderm ( PPE) to development ( induction and patterning) of chick ossicle and integration of the ossicle and inner ear by quail-chick chimera.
本研究采用鹌鹑-鸡胚移植法探索咽囊内胚层对中耳听骨发育(诱导/成形)及中耳听骨与内耳整合的作用。
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