| A | B |
|---|
| basilar membrane | layer of tissue separating the scala media from the scala tympani |
| Reissner's membrane | layer of tissue separating the scala media from the scala vestibuli |
| outer hair cell | motile cylindrical shaped sensory cell |
| inner hair cell | single row of sensory cells |
| organ of Corti | end organ of hearning |
| scala media | membranous labyrinth |
| scala tympani | The lower labyritn of cochlea extending from round window to helicotrema filled with perilymph |
| scala vestibuli | upper labyrinth of cochlea from vestibule to helicotrema |
| spiral ligament | fibrous tissue on outer wall of cochlea |
| spiral lamina | osseous shelf arising from modiolus side |
| stria vascularis | highly vascularized tissue |
| tunnel of Corti | formed by pillar cells and basilar membrane |
| tectorial membrane | gelatinous structure overlaying the organ of Corti |
| sterocilium | tiny hairs extending above sensory cells |
| reticular lamina | structure lending support to apex of hair cells |
| Hensen's cells | supporting cells on outer side of Deiter's |
| Claudius Cells | supporting cells bordering Hensen's cells on outer side |
| spiral limbus | connective tissue bordering the lamina |
| endolymph | fluid contained in the membranous labyrinth |
| perilymph | fluid which surrounds the membranous labyrinth |
| Deiter's cells | phalangeal cells bordering outer hair cells |
| helicotrema | opening where the two scalae communicate at the top of the cochlea |
| modiolus | central core of the osseous cochlea |
| cochlea | osseous spiral shaped cavity |
| cortilymph | fluid within the tunnel of Corti |
| space of Nuel | space between outer hair cells and Deiter's cells |
| pillars of Corti | supportive rods that separate inner and outer hair cells |
