管胞 Traditional form: 管胞 Pinyin (reading): guǎnbāo Definitions: tracheid (botany) Characters: 管 - tube, pipe, duct; to manage, to control 胞 - womb, placenta, fetal membrane Traditional characters: 管 - tube, pipe, duct; to manage, to control 胞 - womb, placenta, fetal membrane