脉管 Traditional form: 脈管 Pinyin (reading): màiguǎn Definitions: vascular (made up of vessels) Characters: 脉 - a pulse; arteries, veins; blood vessels 管 - tube, pipe, duct; to manage, to control Traditional characters: 脈 - a pulse; arteries, veins; blood vessels 管 - tube, pipe, duct; to manage, to control