| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| three membranes encompassing the brain | 2 | 0.4 | 3686 | 94 | 38 |
| three | 1.84 | 0.6 | 3315 | 55 | 5 |
| membranes | 1.5 | 0.9 | 4924 | 54 | 9 |
| encompassing | 0.71 | 0.4 | 3849 | 58 | 12 |
| the | 1.34 | 1 | 9369 | 8 | 3 |
| brain | 1.49 | 0.9 | 2211 | 19 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| three membranes encompassing the brain | 1.66 | 1 | 5471 | 62 |
