V2EX pseudopod

Pseudopod

定义 Definition

pseudopod(伪足):某些单细胞生物(如变形虫)伸出的临时性“足状”突起,用于运动捕食/吞噬食物。(也常见复数 pseudopods;学术语境中也可见 pseudopodia。)

发音 Pronunciation

/sudpd/

例句 Examples

The amoeba moved by extending a pseudopod.
变形虫通过伸出伪足来移动。

Under the microscope, we observed the cell forming a pseudopod to engulf a food particle.
在显微镜下,我们观察到细胞形成伪足来吞噬一粒食物颗粒。

词源 Etymology

来自希腊语:pseudo-(“假的、似是而非的”)+ -pod(“足”,源自 *pous/pod-*)。字面意思是“假脚”,形象地描述这种并非真正肢体、而是细胞暂时伸出的突起。

相关词 Related Words

文学作品 Literary Works

  • The Microbe Hunters(Paul de Kruif)
  • Amoeba(Clifford A. Pickover)
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