这个词是什么意思？
A salamander found in Mexican mountain lakes and accounting for about 30 percent of the urodeles used in research. The axolotl remains in larval form throughout its life, a phenomenon known as neoteny.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000558 · MeSH 2026。
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