Venesection vs. Phlebotomy — What's the Difference?

Surgical incision into a vein; used to treat hemochromatosis

The removal of blood from a vein with a cutting instrument, formerly done to reduce blood volume as a treatment of disease. In both senses also called venesection.

See phlebotomy.

The opening of a vein, either to withdraw blood or for letting blood; venesection.

(medicine) Cutting open or exposing a vein; phlebotomy.

The act or practice of opening a vein for letting blood, in the treatment of disease; venesection; bloodletting.

The act or operation of opening a vein for letting blood; bloodletting; phlebotomy.

Phlebotomy is the process of making a puncture in a vein, usually in the arm, with a cannula for the purpose of drawing blood. The procedure itself is known as a venipuncture, which is also used for intravenous therapy.

The removal of blood from a vein, usually with a needle and syringe or other container, for diagnostic or therapeutic purposes, as in the treatment of hemochomatosis.

Surgical incision into a vein; used to treat hemochromatosis