V2EX biofilm

Biofilm

释义 Definition

生物膜:由微生物(如细菌、真菌等)附着在表面后分泌黏性物质(胞外聚合物)形成的薄层“群落”,常见于牙齿表面(牙菌斑)、管道内壁、医疗器械或自然水体表面。生物膜中的微生物通常更耐受抗生素、消毒剂与环境压力。

发音 Pronunciation

/bao.flm/

例句 Examples

Bacteria can form a biofilm on your teeth.
细菌会在你的牙齿表面形成生物膜(牙菌斑)。

The hospital revised its cleaning protocol after tests showed a persistent biofilm in the water system, making the bacteria harder to eliminate.
医院在检测发现供水系统中存在顽固生物膜后,修改了清洁流程,因为这会让细菌更难被清除。

词源 Etymology

bio- 源自希腊语 bios,意为“生命”;film 指“薄膜、薄层”。合起来字面义为“生命形成的薄膜”,用于描述微生物在表面聚集并形成的膜状结构。该术语在现代微生物学与医学感染研究中广泛使用。

相关词 Related Words

文学作品中的用例 Literary Works

  • 《Microbiology: An Introduction》(Tortora, Funke, Case):教材中多处以 biofilm 讨论牙菌斑与慢性感染等现象。
  • 《Principles of Microbiology》(OpenStax):以 biofilm 说明微生物在自然环境与人体中的群体生活方式与耐受性。
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