What does "#20 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 "#20 gauge needle" refers to the size of a needle used in medicine. The gauge number refers to the thickness or diameter of the needle, with a lower number indicating a thicker needle. So, a #20 gauge needle is relatively thin compared to lower gauge needles. These needles are used for various medical procedures, such as drawing blood or injecting medication.
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