“protonephridium”的概念、定义、翻译、参考文献-科学参考

单词	protonephridium
释义	protonephridium [´prōd·ō·nǝ`frid·ē·ǝm] ^{INVERTEBRATE ZOOLOGY} 1. A primitive excretory tube in many invertebrates. 2. The duct of a flame cell.
随便看	exact differential form exact division exact divisor exact sequence EXAFS exalate exalbuminous exalted-carrier receiver exanthema exanthem subitum exarch exasperate exaspidean excavation excavator excelsior excenter except except gate exceptional group exceptional Jordan algebra exceptional space exception handling exception-item encoding exception-principle system

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