V2EX meristem

Meristem

定义 Definition

分生组织:植物体内由未分化、能持续分裂的细胞构成的组织,负责产生新细胞并推动植物生长(常见于根尖、茎尖等)。此外在一些语境中也可泛指与生长点相关的“生长组织”。

发音 Pronunciation

/mrstm/

例句 Examples

The meristem at the root tip helps the plant grow longer.
根尖的分生组织帮助植物变得更长、继续生长。

Researchers studied how signals in the shoot apical meristem control the formation of new leaves and flowers.
研究人员探究了茎顶端分生组织中的信号如何控制新叶和花的形成。

词源 Etymology

meristem 来自希腊语词根 merizein(“分割、分配”之意),指细胞不断“分裂”的特性;该术语在植物学中用于描述持续进行细胞分裂、产生新组织的生长区域。

相关词 Related Words

文学与著作举例 Literary Works

  • Raven Biology of Plants(常见译名《植物生物学》):在植物生长与组织章节中系统讨论分生组织(meristem)的类型与功能。
  • Biology(Campbell Biology,常见译名《坎贝尔生物学》):在植物结构与发育相关章节中出现 apical meristem / lateral meristem 等用法。
  • Plant Physiology and Development(Taiz & Zeiger 等,《植物生理学与发育》):在植物发育调控与激素信号部分频繁使用 meristem 术语。
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