释义 |
〔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〔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〔tracheid〕A cell in the xylem of vascular plants.管胞:在维管植物的木质部中的细胞 |