V2EX stem cells

Stem Cells

释义 Definition

“stem cells” 指干细胞:一类具有自我更新能力,并能在特定条件下分化成多种专门细胞类型的细胞(常见于发育、生物医学研究与再生医学语境)。也可按来源分为胚胎干细胞、成体干细胞、诱导多能干细胞等。

发音 Pronunciation (IPA)

/stem selz/

例句 Examples

Stem cells can repair damaged tissue.
干细胞可以修复受损组织。

Researchers hope that stem cells, guided by precise signals, will one day regenerate organs for patients with chronic disease.
研究人员希望,在精准信号的引导下,干细胞有朝一日能为慢性病患者再生器官。

词源 Etymology

“stem” 原意有“茎、主干”之意,引申为“起源、基础”;在生物学中用来强调这类细胞像“主干”一样能产生不同“分支”(各种细胞类型)。“cell” 源自拉丁语 cella(小房间),早期显微观察把细胞结构比作小隔间,因此得名。“stem cell(s)” 作为术语在现代生物学与医学发展中逐渐固定,用于强调其“基础、起源性”的生物学地位。

相关词 Related Words

文学作品 Literary Works

  • The Immortal Life of Henrietta Lacks(Rebecca Skloot)涉及细胞研究与生物医学伦理的讨论,常与干细胞等主题一起出现于科普与叙事语境中。
  • Oryx and Crake(Margaret Atwood)以生物技术与生命改造为主题的小说中,常出现与细胞工程、再生与实验相关的词汇与概念(包括干细胞语境)。
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