A surgical procedure involving the removal of one or more gyri (brain ridges) from the brain.
Formed from 'gyrus' (brain ridge) combined with '-ectomy' (surgical removal). This medical term emerged in the late 19th/early 20th century during the era of neurosurgery development.
In the early days of brain surgery, when epilepsy couldn't be treated with medicine, doctors would perform gyrectomy—removing tiny wrinkles from the brain surface hoping to stop seizures, and sometimes it actually worked!
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