Across
- 5. when the body's immune system sees a substance as harmful and overreacts to it
- 6. pigment produced by melanocytes
- 9. the bottom layer of the skin
- 12. refracts light
- 13. retina pulls away from supportive tissue
- 15. provides blood to the inner retinal neurones
- 16. measure of hotness or coldness expressed in degrees celsius
- 17. of medicine dealing with the skin
- 19. proteins that bind skin cells to make another
- 21. skin condition where fluid fills a space between layers of skin
- 22. captures incoming photons
- 23. causes flaky skin and makes the skin itchy
- 26. regulates temperature
- 28. provides nutrients to your eyes and help your eye keep its shape
- 30. thickest layer of the skin
- 32. chronic and progressive eye disease caused by damage to the optic nerve, which leads to visual field loss
- 33. carry electrical impulses
- 34. autoimmune disease that attacks the cells on the epidermis
- 35. local use of low temperatures in medical therapy
- 36. upper layer of the skin
- 40. largest organ of the body
Down
- 1. eye made up of many separate visual units
- 2. white outer layer of the eyeball
- 3. everything that you can see that isn't your central vision
- 4. layer of fat cells
- 7. cleanliness
- 8. produces fluid in the eye called aqueous humor
- 10. globular organ that allows you to see
- 11. provides lubrication by secreting mucus and tears
- 14. nerve fibers that send visual messages to your brain to help you see
- 18. the lens of the eyes becomes progressively opaque, resulting in blurred vision
- 20. quick and painless surgery to remove a cloudy lens
- 24. pores clogged by oil
- 25. allows light to enter
- 27. type of tissue in the body
- 29. compound eyes of arthropods like insects, etc
- 31. provides sharp and detailed vision
- 37. coloured part of the eye
- 38. skin rash
- 39. too much exposure to sunlight