irritant GMAT专八

1.Taro (Colocasia esculenta L.Schott), a tropical edible crop, contains an irritant factor in corm.

芋头是热带性可食用作物，球茎含有刺激因子。

2.The growth,infiltration and metastasis of oncoma depend on tumor angiogenesis.Vascular endothelial growth factor(VEGF)is the most important irritant factor of angiogenesis.

肿瘤的生长、浸润和转移依赖于肿瘤血管生成,血管内皮生长因子(VEGF)是的一种血管生成刺激因子。