What does "25-gauge needle" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
A "25-gauge needle" is a term used in medicine to describe the size of a needle. The "gauge" refers to the thickness or diameter of the needle. The higher the gauge number, the thinner the needle is. So, a 25-gauge needle is relatively thin, making it less painful for injections or drawing blood.
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