这个词是什么意思？
The concentration of a compound needed to reduce population growth of organisms, including eukaryotic cells, by 50% in vitro. Though often expressed to denote in vitro antibacterial activity, it is also used as a benchmark for cytotoxicity to eukaryotic cells in culture.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D020128 · MeSH 2026。
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