Plural of gyrectomy; surgical procedures that remove sections of the brain's gyri (ridges).
From 'gyri' (brain ridges) plus '-ectomy' (surgical removal). This medical term describes the removal of brain tissue, a procedure used historically for severe seizures.
Gyrectomies were performed as desperate treatments for severe epilepsy before modern medicines existed—surgeons would carefully remove small sections of brain wrinkles to stop seizures.
Complete word intelligence in one call. Free tier — 50 lookups/day.