这个词是什么意思？
A subclass of serotonin receptors that form cation channels and mediate signal transduction by depolarizing the cell membrane. The cation channels are formed from 5 receptor subunits. When stimulated the receptors allow the selective passage of SODIUM; POTASSIUM; and CALCIUM.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D044406 · MeSH 2026。
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