Across
- 2. surgical incision into the eardrum, to relieve pressure or drain fluid.
- 6. disc the round spot on the retina formed by the passage of the axons of the retinal ganglion cells,
- 9. tube
- 11. the bone and cartilage in the nose that separates the nasal cavity into the two nostrils
- 13. media
- 14. the layer of cells lining the back wall inside the eye
- 15. the external part of the ear in humans and other mammals; the auricle.
- 17. a clear, elliptical structure that sits behind the iris.
Down
- 1. membrane
- 3. three tiny bones in the middle ear that transmit sounds to the cochlea
- 4. hearing loss
- 5. the clear window on the front of your eye.
- 7. degeneration
- 8. tiny raised protrusions on the tongue that contain taste buds
- 10. nerve extension of your central nervous system, which includes your brain and spine.
- 12. disease
- 16. blindness