这个词是什么意思？
Endogenous compounds or drugs that affect neuronal excitability through modulation of specific ionotropic receptors (e.g., GABA-A RECEPTORS). Endogenous neurosteroids are steroid hormones de novo synthesized by neurons and glial cells from steroid metabolite precursors (e.g., PREGNENOLONE).
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000081227 · MeSH 2026。
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