Tough membrane covering the brain WSJ Crossword Clue

By Date: JAN 31, 2026 Follow on Google

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The most common and recent 4-letter answer for "Tough membrane covering the brain" is DURA.
The clue refers to the 'dura mater,' a tough and protective membrane that covers the brain and spinal cord. 'Dura' is the first part of this anatomical term, indicating its role as a protective layer.
This clue was last seen in the WSJ Crossword on January 31, 2026.
Dura is the outermost, tough layer of the meninges surrounding the brain and spinal cord.
___ mater (brain protector), ___ mater (brain membrane)

The clue “Tough membrane covering the brain” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated January 31 2026, the definitive 4-letter answer is: DURA.

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