导管 Traditional form: 導管 Pinyin (reading): dǎoguǎn Definitions: duct; pipe; conduit (botany) vessel (medicine) catheter Characters: 导 - to direct, to guide, to lead, to conduct 管 - tube, pipe, duct; to manage, to control Traditional characters: 導 - to direct, to guide, to lead, to conduct 管 - tube, pipe, duct; to manage, to control