| Answer | Crossword Clue |
|---|---|
| DURA | Tough covering of the brain. |
| dura | the tough, fibrous membrane forming the outermost of the three coverings of the brain and spinal cord |
| duras | the tough, fibrous membrane forming the outermost of the three coverings of the brain and spinal cord |
| cortex | the outer covering of the brain or an organ |
| DURA | Membrane covering the brain. |
| meninges | the three membranes covering the brain and spinal cord |
| meninx | the three membranes covering the brain and spinal cord |
