brain herniation; cerebral herniation
Medical term for displacement of brain tissue due to increased intracranial pressure. 脳ヘルニア is the standard Japanese term; synonyms like 脳嵌頓 (のうかんとん) may also be encountered.
Brain herniation is a condition in which brain tissue is pushed out of its normal position due to increased intracranial pressure.
Compound of 脳 (のう, 'brain') and ヘルニア (hernia), a medical loanword from English or German.