后生木质部 meaning in English
deutoxylem
metaxylem
Examples
- It consists of the protoxylem ( formed first ) and metaxylem
包括原生木质部（最早形成的）和后生木质部。 - In seed plants the protoxylem occurs at the innermost edge of the vascular bundles in stems , but external to the later - formed xylem in roots
在种子植物中，原生木质部发生在茎的维管束的最内方，但在根中，位于后生木质部的外方。