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A syringe with a calibrated barrel, plunger, and tip, used with a hypodermic needle for hypodermic injections and for aspiration. (Medical Dictionary)
Frances Rynd was 44 years old when he invented the hypodermic syringe.
Hypodermic is of or relating to the region immediately beneath the skin or a hypodermic syringe or injection.
the hypodermic syringe
Hypodermic needle.