xylem

名词 xylem:

1. the woody part of plants: the supporting and water-conducting tissue, consisting primarily of tracheids and vessels

xy.lem

n.（名词）
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

来源：
German
德语
from Greek xulon [wood]
源自 希腊语 xulon [木材]