Synonym: hemicraniotomy. ... Origin: hemi-+ G. Kranion, skull, + ektome, excision ... (05 Mar 2000) ... 
Type: Term Pronunciation: hem′ē-krā′nē-ek′tŏ-mē Synonyms: hemicraniotomy
hemicraniectomy, hemicraniotomy 1. Separation and reflection of the greater part or all of one half of the cranium, as a preliminary to an operation upon the brain. 2. The exposure of half of the brain by sectioning the vault of the skull from front to back near the median line and forcing the entire side outward.