2. Related structures Special features Hair Layers Cells 50 40 30 20 10 20 30 40 50 10 20 30 40 50 10 20 30 40 50 10 20 30 40 50

3. The hypodermis consists of these cells Category 1 – 10 Points Answer

4. What are Adipocytes

5. The epidermis is made up of this classification of cells Category 1 – 20 Points Answer

6. What are epithelial cells

7. These cells begin at the basement membrane and as they die are pushed towards the surface of the skin Category 1 – 30 Points Answer

8. What are keratocytes (or keratinocytes)

9. These cells have finger-like extensions of their cytoplasm in order to transfer their dark pigments to other cells. Category 1 – 40 Points Answer

10. What are melanocytes?

11. The Langerhans cell is a _____________ found in the epidermis. Category 1 – 50 Points Answer

12. What is a macrophage?

13. This top layer of the epidermis is called what? Category 2 – 10 Points Answer

14. What is the stratum corneum (or cornified layer)

15. The integument of the animal’s skin generally consists of how many layers Category 2 – 20 Points Answer

16. What is 3?

17. The hypodermis layer is also called the _____________ layer Category 2 – 30 Points Answer

18. What is subcutaneous?

19. The dermis is attached to the epidermis by ______________ Category 2 – 40 Points Answer

20. What is dermal papillae?

21. These nerve or touch receptors are found at the top of the dermis Category 2 – 50 Points Answer

22. What is Meissner’s corpuscles

23. Telogen effluvium Category 3 – 10 Points Answer

24. What is blowing the coat?

25. The period of active growth of the hair Category 3 – 20 Points Answer

26. What is the anagen phase?

27. These three layers make up a hair Category 3 – 30 Points Answer

28. What is the medulla, the cortex, and the cuticle?

29. This muscle is responsible for pulling hair into an erect position Category 3 – 40 Points Answer

30. What is the arrector pili muscle?

31. These hairs are used as probes and feelers in animals Category 3 – 50 Points Answer

32. What are tactile hairs?

33. Another word for the animal’s nose Category 4 – 10 Points Answer

34. What is the planum nasale?

35. These infoldings of skin are found in sheep Category 4 – 20 Points Answer

36. What are cutaneous pouches?

37. Eccrine sweat glands are found here Category 4 – 30 Points

38. What are paw pads?

39. Chestnuts and ergots are cornified structures found on this species Category 4 – 40 Points Answer

40. What are horses, ponies, equines

41. The release of melanin granules is controlled by this hormone Category 4 – 50 Points

42. What is MSH (melanocyte- stimulating hormone)

43. In dogs, this is the first digit Category 5 – 10 Points Answer

44. What is the dewclaw?

45. Declawing a cat is considered an ampution because the claw is connected to this digit 5 – 20 Points Answer

46. What is the third (or distal) phalanx?

47. These sacs fill with foul smelling secretions and are found in the cat and dog Category 5 – 30 Points Answer

48. What are anal sacs?

49. These holocrine glands secrete oily, lipid substance Category 5 – 40 Points Answer

50. What are sebaceous glands?

51. These sweat glands are not attached to hair follicles Category 5 – 50 Points Answer

52. What are eccrine sweat glands?