| PONS | Mass of connecting nerve fibres in the brain (4) |
| LEUCOTOMY | Surgical operation that involves cutting some of the nerve fibres in the frontal lobes of the brain |
| NERVOUSDISORDER | A condition that affects fibres in the brain and spinal cord (7,8) |
| LOBOTOMY | Surgery to sever nerve fibres in the front of the brain |
| OPTIC | Like retina and brain connecting nerve |
| AXON | Long nerve fibre that transmits impulses away from the nerve cell (4) |
| GRIT | Moral fibre in The Stones (4) |
| DIAL | ___-up, old means of connecting to the internet (4) |
| RETE | A network, as of blood vessels or nerve fibers |
| MAZE | Puzzle of connecting paths (4) |
| GEAR | Set of connecting wheels with teeth that changes engine power into movement (4) |
| NOIL | A short fiber of cotton, wool, etc., separated from the long fibers in combing. |
| NERVE | Bundles of fibres in the body that transmit instructions (5) |
| NERVES | Bundles of fibres in the body (6) |
| SPINALCORD | Bundle of nerve fibres transmitting neural signals between the brain and the peripheral nervous system (6,4) |
| SPINAL | ___ cord, bundle of nerve fibres located in the back (6) |
| NODEOFRANVIER | Gap in the myelin sheath of a nerve fibre, named after the French physician (4,2,7) |
| RETINA | Backpart of the eyeball sensitive to light, an expansion of the optic nerve fibers |
| GRAIN | Single seed of a cereal plant; a particle of sand, salt or gold; or, the arrangement of fibres in wood (5) |
| SEVENSEAS | Result of connecting the circled letters in a certain way, in a punny manner of speaking |
