V2EX tunicates

Tunicates

释义 Definition

tunicates(名词复数):被囊动物,一类海洋无脊椎动物(如海鞘/海樽等),身体外有一层“被囊”(类似外套的胶质外被)。它们在分类上属于脊索动物门的一支(与脊椎动物有亲缘关系),幼体常具有类似“脊索”的结构。(也常用单数:tunicate)

发音 Pronunciation

/tjunkets/(复数);单数 /tjunket/

例句 Examples

Tunicates live in the ocean and often attach to rocks.
被囊动物生活在海里,常常附着在岩石上。

Although tunicates look simple, their larvae share key features with early chordates.
尽管被囊动物看起来很简单,但它们的幼体与早期脊索动物有一些关键共同特征。

词源 Etymology

tunicate 来自拉丁语 tunica,意为“内衣、外衣、罩袍”,指它们体表的“被囊”像一层外套一样包裹身体;后缀 -ate 用于构成名词/形容词形式。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Invertebrate Zoology(Ruppert, Fox & Barnes)以“tunicates/urochordates”为核心类群系统介绍其结构与分类。
  • The Diversity of Life(E. O. Wilson)在生物多样性与类群概述中提到包括被囊动物在内的海洋生物。
  • The Ancestor’s Tale(Richard Dawkins)在追溯动物演化谱系时涉及与脊索动物相关的类群(常包含被囊动物/海鞘的讨论)。
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