| SENSORY | Cells/hairs (in the cochlea) are set into vibrations/stimulated producing nerve impulses in the auditory nerve (7) |
| ANDHARRIS | Grade has drains tangled with hairs in the 10Ac 9Dn (5,3,6) |
| LEWIS | Grade has drains tangled with hairs in the 10Ac 9Dn (5,3,6) |
| GRAZE | Broken skin gets white hairs in the ear? (5) |
| POTENTIATION | Physiological effect in nerve impulses; in-patient, too (anag.) |
| EMERALD | Precious gem, 11 of which are set into the gold frame of the Queen's Imperial State Crown (7) |
| EARDRUM | In and tight, converts sound waves into vibration (7) |
| CILIA | Cell "hairs" |
| ORGANOFCORTI | Structure in the cochlea of the inner ear whose hair cells transform sound energy into nerve impulses (5,2,5) |
| OPTIC | The ___ nerve carries sensory nerve impulses from the retina toward the visual centres in the brain (5) |
| SCALA | A ladder-like structure, such as one of the spiral canals in the cochlea |
| COCHLEA | What is the spiral cavity of the internal ear where sound vibrations are converted into nerve impulses? (7) |
| BRAINWAVE | An electrical impulse in the mind results in a sudden, bright idea |
| CORTISORGAN | Structure in the cochlea containing auditory receptors (6,5) |
| NERVE | Conveyor of electrochemical impulses in the body |
| NERVES | Fibres sending impulses in the body (6) |
| SCALAE | Ladder-like structures in the cochlea of mammals' ears |
| SPLINTER | A person who figuratively divides hairs in arguments; the opposite of a lumper in the world of taxonomic classification; or, a severe migraine (8) |
| STIRRUP | Common name for the small bone of the inner ear (stapes) that transmits sound vibrations from the incus to the cochlea (7) |
| INCUS | Middle of the three small bones in the middle ear (tympanum) that transmit sound from the eardrum to the cochlea (5) |