马氏管 Traditional form: 馬氏管 Pinyin (reading): Mǎshìguǎn Definitions: Malpighian tubule system (in the insect digestive tract etc) Characters: 马 - horse; surname 氏 - clan, family; maiden name 管 - tube, pipe, duct; to manage, to control Traditional characters: 馬 - horse; surname 氏 - clan, family; maiden name 管 - tube, pipe, duct; to manage, to control