proto-oncogeneWiktionary 原文英美构词拆解proto-前缀+oncogene词干proto-An early, primitive stage of development. · Original, older.词源说明From proto- + oncogene.释义名词noun1(genetics) A gene, promoting the specialization and division of normal cells, that could become an oncogene due to mutation.同族词派生词 1proto-oncogenic相关词