To perform a phlebotomy; to open a vein to withdraw or let blood.
To perform a phlebotomy on (a vein): to open (a vein) to withdraw or let blood.
To perform a phlebotomy on (a person): to open a vein of (a person) to withdraw or let blood.
To administer a transfusion of.
To pour liquid from one vessel into another.
To diffuse or permeate through something.