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.

辞典例句

Conclusion Embryologically, the " accessary vas " is a vasated ureter that buds ectopically from the proximal vas precursor ( PVP ) .

结论胚胎早期,输尿管芽从输精管前体近端发出可能是导致假性 输精管 畸形的原因.

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