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单词
metaxylem
释义
met·a·xy·lem
AHD
[mĕt'ə-zīʹləm]
D.J.
[ˌmetəˈzaɪləm]
K.K.
[ˌmɛtəˈzaɪləm]
n.
Botany
(名词)【植物学】
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
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更新时间:2026/9/22 21:26:12