Choclea - Organ of Corti - Model C 1 1 Petrous portion of temporal bone - part of the bony labyrinth 2 Scala vestibuli 3 Scala tympani 4 Vestibular membrane 5 Spiral lamina 6 Basilar membrane 7 Epithelium of Cochlear duct 8 Internal hair cells 9 External hair cells 10 Internal pillar cells 11 External pillar cells 12 Tunnel of Corti 13 Deiters' supporting cells 14 Cells of Hensen 15 Claudius' Cells 16 Nuel's space 17 Vestibular lip of limbus 18 Tectorial membrane 19 Cochlear duct 20 Spiral ligament of the cochlea 21 Prominent vessel 22 Axis (central bony column of the cochlea or Modeolus) 23 Lateral wall of the cochlea 24 Spiral ganglion 25 Cochlear nerve 26 Cochlear arteries 27 Tympanic lip of the limbus |