Chapter 6

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Across
  1. 2. sweat glands found in the breast, eyelids and ears
  2. 4. the release of milk from mammary glands
  3. 5. subcutaneous tissue
  4. 6. organ secreting protein-rich thick fluid
  5. 8. cells that produce keratin
  6. 9. hard covering at the end of finger
  7. 10. dermal bone under epidermal scale
  8. 13. hard and thickened area on the skin
  9. 14. sweat gland that found most of the body
  10. 16. sharp curve part on the toe of an animal such as birds
  11. 17. chordate embryos that gives rise to skeletal muscle
  12. 18. nerve fibers that release the neurotransmitter acetylcholine
  13. 22. rigid external body covering
  14. 24. process which skin forms protein
  15. 25. fibrous protein
  16. 27. undifferentiated embryonic blocks of presumptive muscle
  17. 28. melanin-containing cell
  18. 34. in the mouth of some species of whales.
  19. 35. cornified and is the real protective layer of the skin
  20. 36. general term for pigment cell
  21. 38. parts of skin that produce hair
  22. 39. embryonic skin segment
  23. 40. cells that aid in tactile reception
Down
  1. 1. large gland in most bird usually secretes oil
  2. 3. basal layer
  3. 7. unicellular gland that is absent from lamprey skin
  4. 11. cytoplasmic process of a neuron
  5. 12. pigment producing cells
  6. 15. cortical protective layer
  7. 19. skin layer lies beneath the epidermis
  8. 20. part of vertebrate embryo that gives rise to skeletal tissue
  9. 21. exists only in the thickened layer of soles and palms
  10. 23. cell immune cells
  11. 26. outer layer of the skin
  12. 29. nerve fibers that release adrenaline-like neurotransmitter
  13. 30. contour feather
  14. 31. largest body organ
  15. 32. upper part of the body that produce milk
  16. 33. hard covering on the foot of an animal such as horse
  17. 37. keratinized straining plates that arise from the
  18. 38. hard painted parts on the head of some animals