Biology 根的形态 Root morphology 成熟区 maturation zone Zone of cell Root hair differentiation 伸长区 elongation zone THREE PRIMAR MERISTEMS Protoderm Zone of cell 分生区 - Ground meristematic zone-Apical Quiescent 根冠 Zone of cell oot cap根的形态 Root morphology • 成熟区 maturation zone • 伸长区 elongation zone • 分生区 meristematic zone • 根冠 root cap