cranial dura mater; cerebral dura mater
Anatomical term for the tough outer membrane covering the brain.
The cranial dura mater plays a role in protecting the brain.
Compound of 脳 (のう, 'brain') + 硬膜 (こうまく, 'dura mater'). The exact historical derivation is uncertain; the spelling is conventionally associated with the anatomical meaning.