V2EX gram-stain

Gram-stain

Definition / 释义

革兰氏染色:一种常用的细菌鉴别染色方法,通过细胞壁结构差异将细菌分为革兰氏阳性(Gram-positive)革兰氏阴性(Gram-negative)。在显微镜下,阳性菌通常呈紫色,阴性菌通常呈红/粉色。该词也可作动词使用(to gram-stain = 进行革兰氏染色)。

Pronunciation / 发音(IPA)

/rm sten/

Examples / 例句

The lab will gram-stain the sample today.
实验室今天会对样本进行革兰氏染色。

After gram-staining the sputum smear, the technician observed numerous Gram-negative rods, which helped guide the initial choice of antibiotics.
对痰涂片进行革兰氏染色后,技术员观察到大量革兰氏阴性杆菌,这有助于指导初始抗生素的选择。

Etymology / 词源

“Gram”来自丹麦医生Hans Christian Gram(汉斯克里斯蒂安革兰)的姓氏;他在19世纪后期提出该染色法,用于更清楚地区分组织切片中的细菌。“stain”意为“染色/染剂”。合起来就是“革兰(氏)染色”。

Related Words / 相关词

Literary Works / 文学与著作中的用例

  • Bergey’s Manual of Systematic Bacteriology(《伯杰氏系统细菌学手册》)
  • Jawetz, Melnick, & Adelberg’s Medical Microbiology(《贾维茨医学微生物学》)
  • Bailey & Scott’s Diagnostic Microbiology(《贝利与斯科特诊断微生物学》)
  • Manual of Clinical Microbiology(《临床微生物学手册》)
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