Causing no damage or injury; especially used in medicine to describe surgical instruments or procedures that don't harm surrounding tissue.
From prefix 'a-' meaning 'without' plus 'traumatic' from Greek 'trauma' meaning 'wound,' creating a medical term for harm-free procedures.
Modern surgical instruments are designed to be atraumatic — meaning they slip through tissue without ripping it — and this careful design can mean the difference between fast healing and painful scarring!
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