V2EX thallus

Thallus

释义 Definition

thallus(名词):(藻类、地衣、许多真菌等的)叶状体/菌体,指一种不分化为根、茎、叶等器官的植物体或类似结构。该词也可用于描述某些低等植物或真菌的整体“身体”。

例句 Examples

A lichen has a thallus that can grow on rocks and tree bark.
地衣有叶状体,可以生长在岩石和树皮上。

Under the microscope, the algal thallus showed branching patterns that helped identify the species.
在显微镜下,这种藻类的叶状体呈现出分枝形态,有助于鉴定物种。

发音 Pronunciation (IPA)

/θls/

词源 Etymology

源自拉丁语 thallus,而拉丁语又来自希腊语 thallós(意为“嫩芽、青枝、新生的枝条”)。后来在生物学中专门用于指“结构较简单、未分化出典型器官的生物体”。

相关词 Related Words

文学与著作 Literary Works

  • Campbell Biology(《坎贝尔生物学》):在藻类与地衣相关章节中常用 thallus 描述其主体结构。
  • Raven Biology of Plants(《雷文植物生物学》):讨论低等植物与藻类形态时频繁出现 thallus
  • Introductory Mycology(真菌学教材,如 Alexopoulos 等经典教材):用于描述某些真菌(尤其是较原始类群)的营养体结构。
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