noun
spinal dura mater
Anatomical term for the tough outermost membrane covering the spinal cord.
脊髄硬膜は脊髄を保護する膜の一つです。
The spinal dura mater is one of the membranes that protect the spinal cord.
Compound of 脊髄 (せきずい, 'spinal cord') and 硬膜 (こうまく, 'dura mater'). The term is a direct anatomical designation.