 
<translate> Mmetụta uche: Mgbọrọgwụ na-eto n'ogologo na obosara site na isi na nke abụọ. Ọkpụkpụ na-agbanwe agbanwe bụ isi meristem. Mgbọrọgwụ na-eto n'ogologo na n'obosara site na vascular cambium. A kọwara ajụjụ na azịza ya n'okpuru ebe a. <eng> Stream of consciousness rationale: Roots grow in length and width from primary and secondary meristem. Vascular cambium is a primary meristem. Roots grow in length and width from the vascular cambium.
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