A surgical procedure to remove the core or central part of an organ or tissue, particularly used in ophthalmology to remove the lens nucleus during cataract surgery.
From Late Latin 'core' (heart/core) + Greek '-ectomy' (cutting out/removal). The term emerged in medical terminology during the 19th century as surgical techniques became more specialized and named after the specific structures being removed.
This word shows how medical language borrows from multiple ancient languages—Latin for the body part and Greek for the procedure—creating a precise scientific vocabulary that lets surgeons communicate exactly what they're doing without ambiguity.
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