haustorium
基本解释
- n.[植](寄生植物的)吸根
英汉例句
- 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。