Osseous Spiral Lamina

  1. Home
  2. Anatomy
  3. Nervous System
  4. Nerves of the Head and Neck
  5. >
  6. Ears and Hearing
  7. >
  8. Osseous Spiral Lamina

The osseous spiral lamina is the bony shelf inside the bony core of the cochlea. It winds around the core like the threads of a screw. The shelf divides the bony labyrinth of the cochlea into upper and lower compartments.