haustorium

常見例句

• With embryo sac haustorium in chalazal end,the embryo sac is Endymion type.
  胚囊發(fā)育類型為英地百合型 ,合點端形成胚囊吸器。
• The primary chalazal haustorium ramifies around the vascular tissues of the ovule.
  初生合點吸器沿著胚珠的維管組織分支。
• Tuber-like-organ formatin, haustorium formation and bud formation are key steps of C. tubulosa seedling development.
  結論：寄生過程遵循種子萌發(fā)長出芽管，接觸寄主根形成吸器并侵入寄主根，管花肉蓯蓉幼體出現(xiàn)3個階段。
• The haustorium cellularizated from the micropylar end to chalazal end at the later globular stage.
  球形胚晚期吸器自珠孔端向合點端逐漸細胞化。
• When the embryo differentiated cotyledons,the haustorium cells gradually degenerated,then disappear.
  胚分化出子葉時，胚乳吸器自合點端向珠孔端退化。
• Endosperm formation is nuclear type and the endosperm forms chalazal haustorium .
  核型胚乳，合點端具胚乳吸器。
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