Hypodermic Syringe. A hypodermic syringe is a medical device used to inject substances into the body or withdraw fluids from it. It typically consists of a hollow needle attached to a cylindrical barrel with a plunger. The term "hypodermic" originates from the Greek words hypo (under) and derma (skin), reflecting its function of delivering substances beneath the skin's surface. Common Uses Medical Injections: Administering medications such as insulin, vaccines, or antibiotics. Blood Withdrawal: Collecting blood samples for testing. Fluid Extraction: Removing bodily fluids for diagnostic purposes. Research Applications: Inoculating cultures or transferring liquids in laboratory settings. Catalog Number:12359199