Chapter 5&6

12345678910111213141516171819202122232425262728293031323334353637383940
Across
  1. 3. loss of physical vigor and reproductive ability
  2. 4. characterized by the prevalence of a thick surface coat of enamel (ganoin)
  3. 9. means tissue formation
  4. 13. enlarged keratinized plates on the tips of the ungulate digits.
  5. 14. meaning beyond and form
  6. 17. collection of bones in the abdominal area
  7. 19. narrow gully that runs down the middle of the primitive streak
  8. 21. is derived from the ectoderm and produces the basal lamina
  9. 23. form directly within tendons
  10. 24. lacks enamel, dentin, and a vascular bone layer
  11. 25. accumulation of various protein products called keratin
  12. 28. composed of concentric rings or circuli
  13. 32. contains the pigment melanin
  14. 34. hypodermis is referred to as
  15. 35. meaning gut and formation
  16. 36. act of giving birth via viviparity
  17. 37. thought to respond to tactile stimulation
  18. 38. act of laying eggs
  19. 39. inorganic ions are deposited in the organic matrix of tissues to harden them
  20. 40. diverse cell found in the skin of lampreys and other fishes
Down
  1. 1. male gamete
  2. 2. thought to secrete substances that resist entry of bacteria or viruses
  3. 5. spaces within the matrix
  4. 6. calcium carbonate or calcium phosphate is deposited in the organic matrix
  5. 7. network of loosely connected cells
  6. 8. meaning egg and birth
  7. 10. meaning child and form
  8. 11. develops from mesoderm and mesenchyme and produces the reticular lamina
  9. 12. contains light-reflecting, crystalline guanine platelets
  10. 15. means organ and formation
  11. 16. form directly through ossification of mesenchyme
  12. 18. oily secretion produced by sebaceous gland
  13. 20. meaning live and birth
  14. 22. base of the hair
  15. 26. transformation from juvenile to adult stage
  16. 27. whiskers
  17. 29. function in chemical signaling
  18. 30. meaning nerve and formation
  19. 31. firm but flexible special connective tissue
  20. 33. deposition of hydroxyapatite in the organic matrix leading to bone formation