这个词是什么意思？
A family of gram-negative, coccoid microorganisms, in the order CHLAMYDIALES, pathogenic for vertebrates. Genera include CHLAMYDIA and CHLAMYDOPHILA.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D002693 · MeSH 2026。
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