这个词是什么意思？
A form-genus of CYANOBACTERIA in the order Nostocales. Trichomes composed of spherical or ovoid vegetative cells along with heterocysts and akinetes. The species form symbiotic associations with a wide range of eukaryotes.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D046937 · MeSH 2026。
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