这个词是什么意思？
A genus of gram-negative, mostly facultatively anaerobic bacteria in the family MYCOPLASMATACEAE. The cells are bounded by a PLASMA MEMBRANE and lack a true CELL WALL. Its organisms are pathogens found on the MUCOUS MEMBRANES of humans, ANIMALS, and BIRDS.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D009174 · MeSH 2026。
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