A medical procedure involving surgical puncture of a body cavity or organ to remove fluid, take samples, or inject medication.
From Greek 'kentesis' (puncture), derived from 'kentein' (to prick or pierce). Greek-derived medical terminology uses this root for various puncturing procedures.
Centesis is the Greek root hiding in dozens of medical procedure names—lumbar puncture is technically a 'lumbar centesis,' and doctors combine it with body parts to name their procedures.
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