刺絡,放血
Venesection \Ve`ne*sec"tion\, n. [NL. venaesectio; L. vena vein + sectio section.] (Med.) The act or operation of opening a vein for letting blood; bloodletting; phlebotomy.
venesection n : surgical incision into a vein; used to treat hemochromatosis [syn: {phlebotomy}]