V2EX coccus

Coccus

Definition / 释义

coccus(名词)球菌;指形状近似球形的细菌细胞。常见复数形式为 cocci(球菌,复数)。球菌可单个存在,也可成对(如双球菌)、成链(链球菌)或成簇(葡萄球菌)排列。

Pronunciation / 发音

/kks/;/kks/

Examples / 例句

A coccus is a spherical bacterium.
球菌是一种球形细菌。

Under the microscope, the sample showed coccus-shaped cells arranged in clusters, suggesting a staphylococcal infection.
在显微镜下,样本显示出成簇排列的球菌形细胞,提示可能为葡萄球菌感染。

Etymology / 词源

coccus 源自新拉丁语,来自希腊语 kókkos,意为“谷粒、浆果(小圆粒)”。由于这类细菌外形像小圆粒,因此用来指“球形细菌”。

Related Words / 相关词

Literary Works / 文学作品

  • Bergey’s Manual of Systematic Bacteriology(《伯杰细菌鉴定手册》)用于细菌分类学描述,常出现 coccus/cocci 等形态术语。
  • Jawetz, Melnick & Adelberg’s Medical Microbiology(《医学微生物学》)在致病菌形态与临床感染章节中频繁使用该词。
  • Microbiology: An Introduction(Tortora 等,《微生物学导论》)在细菌形态与排列(球菌、杆菌、螺旋菌)介绍中出现。
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