A needle is a sharp, thin object used to pierce and inject material into or withdraw material from a body. Needles vary in size, but all are thin enough to penetrate the skin. There are many different types of needles, but...
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Hypodermic Needle And Syringe
A hypodermic needle and syringe is a medical device that is used to inject substances into or withdraw fluids from the body. The hypodermic needle is a sharp, hollow tube that is inserted into the body, while the syringe is a...
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