这个词是什么意思？
The shortest duration of an electrical stimulus where the threshold amplitude is twice the rheobase - the minimum required for eliciting an ACTION POTENTIAL at any time period. It is a measure of the excitability of nerve or muscle tissue, and is characteristic of types and/or condition of the nerve or muscle cells in the tissue.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D002907 · MeSH 2026。
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