The anatomical structure of Tussilago farfara L. vegetative organs showed that its structure of root is a typical structure of dicotyledonea. Its primary xylem is quadriarch ones.
对款冬营养器官解剖结构研究表明：根为典型的双子叶植物根的结构，初生木质部四原型；
2
Objective to study the anatomical factors of vertical root fractures (VRFs) on vital pulp of maxillary first molar.
目的分析活髓下颌第一磨牙根纵裂的解剖学病因。
3
When the biochar added more than 10.0%, all the indexes of anatomical structure of root had a descending trend.