V2EX sessile

Sessile

释义 Definition

(生物/植物)固着的;无柄的:指生物体固定在某处不移动(如固着生活的动物),或指植物器官没有柄、直接附着在茎上(如无柄叶)。

发音 Pronunciation

/ssal/

例句 Examples

The barnacles are sessile and stay attached to rocks.
藤壶是固着的,会一直附着在岩石上。

Sessile organisms often rely on currents to bring them food and oxygen.
固着生物通常依靠水流把食物和氧气带到它们身边。

词源 Etymology

sessile 来自拉丁语 sessilis,意为“可坐的、坐着的”,与 sedere(坐)同源。引申到生物学中,就表示“固定不动、像‘坐’在原地一样”的状态;在植物学里进一步专指“无柄、直接贴附”。

相关词 Related Words

文学作品 Literary Works

  • Charles Darwin, On the Origin of Species(《物种起源》)中在讨论藤壶等生物时常使用相关生物学术语,包括对固着生活史的描述。
  • Rachel Carson, The Sea Around Us(《我们周围的海洋》)在描写海洋生态与沿岸生物时会涉及固着生物(如附着在礁石上的生物)的表达与描述。
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