这个词是什么意思？
Drugs that bind to but do not activate histamine receptors, thereby blocking the actions of histamine or histamine agonists. Classical antihistaminics block the histamine H1 receptors only.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D006633 · MeSH 2026。
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