V2EX stem cell

Stem Cell

定义 Definition

**名词 (noun phrase)**:干细胞,一种具有自我更新和分化为多种特化细胞能力的未分化细胞。干细胞是生物体发育和组织修复的基础,在医学研究中具有极高的价值。

发音 Pronunciation

/stm sl/

例句 Examples

Stem cells can develop into many different types of cells in the body.
干细胞可以发育成体内许多不同类型的细胞。

Scientists are exploring the potential of stem cell therapy to treat neurodegenerative diseases such as Parkinson's and Alzheimer's, offering hope to millions of patients worldwide.
科学家们正在探索干细胞疗法治疗帕金森病和阿尔茨海默病等神经退行性疾病的潜力,为全球数百万患者带来希望。

词源 Etymology

stem 源自古英语 stemn,原意为"树干、茎",引申为"根源、起源"。cell 源自拉丁语 cella,意为"小房间",17世纪英国科学家罗伯特胡克在显微镜下观察软木组织时,因其结构类似修道院的小隔间而命名为 cell。stem cell 这一术语最早由德国生物学家恩斯特海克尔于1868年提出,用来描述那些作为所有细胞"起源"的原始细胞即像植物的"茎"一样,能够生长分化出各种不的"枝叶"(特化细胞)。

相关词汇 Related Words

文学与学术引用 Literary & Academic References

  • 石黑一雄的小说《Never Let Me Go》(《别让我走》,2005)虽未直接使用"stem cell"一词,但整部作品围绕克隆人与器官移植展开,深刻探讨了干细胞技术和生物伦理的边界。
  • 阿道司赫胥黎的《Brave New World》(《美丽新世界》,1932)预见性地描绘了人类胚胎工程和细胞操控技术,是干细胞相关伦理讨论中常被引用的文学作品。
  • 在科学写作领域,悉达多穆克吉的《The Emperor of All Maladies》(《众病之王》,2010)中广泛讨论了癌症干细胞理论及其对肿瘤治疗的深远影响。
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