Anaesthesia: Loss of feeling or sensation resulting from the administration of certain drugs or gases.

Aspiration: Removing the fluid out with suction.

Incision: A cut made in the body during surgery.

Suture: The process of joining two surfaces by stitching; or, the surgical stitch itself.

Radial artery: One of the main arteries of the arm, running down its full length into the hand. Arteries carry blood away from the heart.

Nerve: A nerve is a bundle of fibers that uses electrical and chemical signals to transmit sensory and motor information from one body part to another. See nervous system.