explants

例句:

• Callus was induced from explants of cassava stem with bud and shootlet.
  用木薯茎切段及顶芽作为外植体,诱导木薯愈伤组织的形成.
  
• Floral buds of Passiflora edulis Sims were as explants in tissue culture.
  以紫果西番莲的花蕾为材料,进行组织培养愈伤组织诱导的研究.
  
• The results shew that hypocotyl's velocity, quality and differentiation were better than other explants.
  结果表明:外植体为胚轴出愈速度快 、 质量好且分化率高.