Across
- 2. Immune structures that filter lymphatic fluid and may enlarge during infection
- 4. Structures that produce and secrete saliva
- 6. Age-related hearing loss, especially of high-frequency sounds
- 9. Nasal structures that warm, humidify, and filter inhaled air
- 13. Constriction of the pupil
- 15. Ringing, buzzing, or other sounds heard without an external source
- 16. Portion of the throat located behind the mouth
- 17. A vision condition in which the eyes make rapid, involuntary, and repetitive movement
- 18. Voice box containing the vocal cords
- 19. Drooping of the upper eyelid
Down
- 1. Membranes lining the eyelids and covering the anterior sclera
- 3. Opening between the upper and lower eyelids
- 5. Sensation that you or your surroundings are spinning
- 7. Misalignment of the eyes
- 8. Feeling lightheaded, unsteady, or faint
- 10. White outer layer of the eyeball
- 11. Microscopic, hair-like structures or organelles that project from the surface of many eukaryotic cells
- 12. Age-related difficulty focusing on nearby objects
- 13. Abnormal or physiologic dilation of the pupil
- 14. Gray-white ring around the cornea caused by lipid deposits
