这个词是什么意思？
A genus of BROWN ALGAE in the family Laminariaceae. Dried pencil-like pieces may be inserted in the cervix where they swell as they absorb moisture, serving as osmotic dilators.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D007795 · MeSH 2026。
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