noun
Medical term for the pressure inside the skull. Often used in contexts such as 脳内圧亢進 (increased intracranial pressure).
See also: 脳圧
頭部外傷後、脳内圧が上昇することがある。
After a head injury, intracranial pressure can rise.
脳圧 is a broader term for brain pressure, while 脳内圧 specifically refers to pressure inside the cranium.
Compound of 脳 (のう, 'brain'), 内 (ない, 'inside'), and 圧 (あつ, 'pressure').