这个词是什么意思？
A genus of the Ambystomatidae family. The best known species are the axolotl AMBYSTOMA MEXICANUM and the closely related tiger salamander Ambystoma tigrinum. They may retain gills and remain aquatic without developing all of the adult characteristics. However, under proper changes in the environment they metamorphose.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000557 · MeSH 2026。
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