这个词是什么意思？
A genus of CYANOBACTERIA consisting of trichomes that are untapered with conspicuous constrictions at cross-walls. A firm individual sheath is absent, but a soft covering is often present. Many species are known worldwide as major components of freshwater PLANKTON and also of many saline lakes. The species DOLICHOSPERMUM FLOS-AQUAE is responsible for acute poisonings of various animals.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D017033 · MeSH 2026。
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