朊毒体 Traditional form: 朊毒體 Pinyin (reading): ruǎndútǐ Definitions: prion (molecular biology) Characters: 朊 - protein 毒 - poison, venom; drug, narcotic 体 - body; group, class; form, style, system Traditional characters: 朊 - protein 毒 - poison, venom; drug, narcotic 體 - body; group, class; form, style, system