这个词是什么意思？
A phylum of gram-negative bacteria with complex cytoplasmic membrane invaginations and crateriform structures of outer membrane. Members living in anoxic waters and sediments carry out ANAEROBIC AMMONIA OXIDATION.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000090643 · MeSH 2026。
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