这个词是什么意思？
A genus of coccoid bacteria in the family PLANOCOCCACEAE. They are widely distributed in various habitats including sea water, freshwater ponds, cyanobacterial mats, and in marine animals.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D058642 · MeSH 2026。
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