V2EX bacillus

Bacillus

释义 Definition

bacillus(名词):杆菌;尤指一类革兰氏阳性、能形成芽孢的杆状细菌(如“芽孢杆菌属 Bacillus”)。在较宽泛的用法中,也可泛指“杆状细菌”(这一泛义在现代微生物学语境中不如前者严谨)。

发音 Pronunciation (IPA)

/bsls/

例句 Examples

A bacillus can survive harsh conditions by forming spores.
杆菌可以通过形成芽孢在恶劣环境中存活。

Under the microscope, the researcher identified a Bacillus species that likely contaminated the culture.
在显微镜下,研究人员鉴定出一种芽孢杆菌属细菌,可能污染了培养物。

词源 Etymology

来自拉丁语 bacillus,意为“小棍子/小杖”(源自 baculum “棍、杖”),用来形容这类细菌在显微镜下呈杆状的外形。

相关词 Related Words

文学与著作中的用例 Literary Works

  • 《Microbiology》(Prescott 等,常见教材):在“芽孢形成”“Bacillus 属”章节中频繁出现 bacillus/Bacillus
  • 《Brock Biology of Microorganisms》(Madigan 等,常见教材):讨论革兰氏阳性菌与芽孢杆菌时常用 Bacillus
  • 《Medical Microbiology》(Murray 等,常见教材):在与炭疽、环境污染及相关杆菌鉴别的语境中出现 bacillus/bacilli
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