根尖的结构及其分区 成熟区(根毛区)■ Region of maturation maturation zone ◆ root hairs ◆ Vas cular tissues ●伸长区 elongation zone ◆ Cortex 分生区 Region of elon gation meristematic zone a Region of cell division ●根冠 root cap ◆ Apical meristem ■Rot根尖的结构及其分区 z 成熟区 (根毛区) maturation zone maturation zone z 伸长区 elongation zone elongation zone z 分生区 meristematic meristematic zone z 根冠 root cap root cap