haustorium

基本解釋

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(diǎn)端形成胚囊吸器。
The primary chalazal haustorium ramifies around the vascular tissues of the ovule.
初生合點(diǎn)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(jié)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(diǎn)端逐漸細(xì)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(diǎn)端向珠孔端退化。