Disposable<unk>  with needle, with parts labelled: plunger, barrel, needle adaptor, needle hub, needle bevel, needle shaft A typical plastic medical<unk> , fitted with a detachable stainless steel needle According to the World Health Organization, about 90% of the medical<unk> s are used to administer drugs, 5% for vaccinations and 5% for other uses such as blood transfusions. A<unk>  is a simple reciprocating pump consisting of a plunger (though in modern<unk> s, it is actually a piston) that fits tightly within a cylindrical tube called a barrel. The plunger can be linearly pulled and pushed along the inside of the tube, allowing the<unk>  to take in and expel liquid or gas through a discharge orifice at the front (open) end of the tube. The open end of the<unk>  may be fitted with a hypodermic needle, a nozzle or tubing to direct the flow into and out of the barrel.<unk> s are frequently used in clinical medicine to administer injections, infuse intravenous therapy into the bloodstream, apply compounds such as glue or lubricant, and draw/measure liquids. The word<unk> " is derived from the Greek σύριγξ <unk> inx, meaning "Pan flute", "tube").
Syringe
Wart
Drustbed
Floater
Sniffle
Straw 
Superbill
Boil