| 单词 | 木质部 |
| 释义 | 〔xylem〕The supporting and water-conducting tissue of vascular plants, consisting primarily of tracheids and vessels; woody tissue.木质部：在维管束植物中的起支撑作用和输水作用的组织，主要由管胞和管道组成；木质组织〔metaxylem〕The part of the primary xylem that differentiates after the protoxylem and is characterized by broader vessels and tracheids.后生木质部：初生木质部中不同于原生木质部的一部分，以更宽的导管和管胞为特征〔protoxylem〕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〔primary〕primary meristem; primary xylem.初生分生组织；初生木质部〔borer〕An insect or insect larva, such as the corn borer, that bores into the woody parts of plants.蛀虫：钻入植物的木质部的昆虫或昆虫幼虫，如玉米螟虫〔endarch〕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〔woody〕Marked by the presence of wood or xylem:木质的：由于存在木或木质部而明显的：〔exarch〕Of or relating to a xylem whose early development is away from the center and toward the periphery.（植）外始式的：早期发育远离中心而向外部发展的木质部的或与其有关的〔tracheid〕A cell in the xylem of vascular plants.管胞：在维管植物的木质部中的细胞〔wood〕The secondary xylem of trees and shrubs, lying beneath the bark and consisting largely of cellulose and lignin.木质：位于树皮下的树和灌木的次木质部，主要由纤维质和木质构成〔tracheophyte〕Any of various vascular plants, including seed plants and ferns, having a conducting system of xylem and phloem.导（维）管植物：任何种类的维管植物，包括种子植物和蕨类植物，具有木质部和韧皮部导管系统 |
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