haustorium

基本解释

With embryo sac haustorium in chalazal end,the embryo sac is Endymion type.
胚囊发育类型为英地百合型 ,合点端形成胚囊吸器。
The primary chalazal haustorium ramifies around the vascular tissues of the ovule.
初生合点吸器沿着胚珠的维管组织分支。
Tuber-like-organ formatin, haustorium formation and bud formation are key steps of C. tubulosa seedling development.
结论：寄生过程遵循种子萌发长出芽管，接触寄主根形成吸器并侵入寄主根，管花肉苁蓉幼体出现3个阶段。
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点端逐渐细胞化。
When the embryo differentiated cotyledons,the haustorium cells gradually degenerated,then disappear.
胚分化出子叶时，胚乳吸器自合点端向珠孔端退化。