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- polyarch xylem 多元木质部
- A cell in the xylem of vascular plants. 管胞在维管植物的木质部中的细胞
- Lignified tissues include SCLERENCHYMA and XYLEM. 木质素组织包括厚壁组织和木质部。
- The xylem of ferns only contains tracheids. 蕨类植物的木质部只含有管胞。
- The first formed xylem that differentiates from the procambium. 原生木质部最先形成的木质部，与原形成层不同
- The xylem of ferns and conifers contains only tracheids. 蕨类植物和针叶树的木质部仅含有管胞。
- Primary xylem Xylem derived from the procambium in the young plant. 初生木质部：指幼嫩植物中来源于原形成层的木质部。
- Large proportion of xylem benefit to the water transfer. 叶脉中木质部比重越大,越有利于水分的传输。
- Observation and Study of Vessel Elements of Secondary Xylem in. 次生木质部导管分子观察研究。
- Sapwood contains xylem vessels, but not as strong as heartwood. 边材含有木质导管，但不如中心木质那样坚硬。
- The vascular cambium is located between the xylem and the phloem. 维管形成层位于木韧之间。
- The development of xylem is of mesarch.Stomata are monocyclic type. 叶脉、叶柄、上胚轴的维管束均为外韧型。
- The bine is comprised by cerebral cortex, xylem and fungous marrow. 茎由皮层.;木质部和海绵状的髓组成。
- Secondary xylem consists of pitted vessels, parenchyma fibers and rays. 次生木质部由孔纹导管、薄壁组织及射线所组成。
- One of the tubular conductive vessels in the xylem of vascular plants. 导管维管植物的木质部中的管状引导管之一
- Of or relating to a xylem whose early development is toward the center. 木质部的木质部或与木质部相关的，其早期发展是朝向中心的
- A system confined to the transport of mineral elements is known as the xylem. 专门用来运输矿物元素的系统称为木质部。
- A root-like structure lacking conductive tissues (xylem and phloem). 无输导组织(木质部和韧皮部)的根状结构。
- In vascular plants, the xylem and phloem serve to translocate such substances. 维管植物的木质部和韧皮部主要进行对这类物质进行运输。
