(venesection) n. the surgical opening or puncture of a vein in order to remove blood (e.g. in the treatment of polycythaemia) or to infuse fluids, blood, or drugs in the treatment of many conditions. It may also be required for cardiac catheterization. A phlebotomist is a clinical support worker or assistant health-care scientist who collects blood from patients for diagnostic laboratory testing.
Subjects: Medieval and Renaissance History (500 to 1500) — Medicine and Health.