| 单词 | mediastinum |
| 释义 | mediastinum /mē-di-ə-stīˈnəm/ (anatomy)noun (pl mediastīˈna)A membranous septum, or a cavity, between two principal portions of an organ, esp the folds of the pleura and the space between the right and left lungs ORIGIN: Neuter of LL mediastīnus median (in classical L mediastinus is a drudge), from medius middle mediastīˈnal adjective |
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