维管

Traditional form:

維管

Pinyin (reading):

wéiguǎn

Definitions:

• vascular

Characters:

• 维 - to preserve, to maintain, to hold together
• 管 - tube, pipe, duct; to manage, to control

Traditional characters:

• 維 - to preserve, to maintain, to hold together
• 管 - tube, pipe, duct; to manage, to control