The Integumentary System

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172
Across
  1. 6. keratinous filament growing out of the epidermis
  2. 8. type of skin cancer that originates from the stratum spinosum of the epidermis
  3. 9. cell that produces keratin and is the most predominant type of cell found in the epidermis
  4. 11. cancer that originates from basal cells in the epidermis of the skin
  5. 12. mark formed on the skin due to a sudden growth spurt and expansion of the dermis beyond its elastic limits
  6. 18. in hair, the innermost layer of keratinocytes originating from the hair matrix
  7. 19. skin condition due to an allergic reaction, which resembles a rash
  8. 20. fibers made of the protein elastin that increase the elasticity of the dermis
  9. 21. thickened area of skin that arises due to constant abrasion
  10. 24. nail fold that meets the proximal end of the nail body, also called the cuticle
  11. 26. compound that aids absorption of calcium and phosphates in the intestine to improve bone health
  12. 28. layer of the epidermis superficial to the stratum basale, characterized by the presence of desmosomes
  13. 33. type of structural protein that gives skin, hair, and nails its hard, water-resistant properties
  14. 34. structure at the base of the hair root that surrounds the dermal papilla
  15. 36. intercellular vesicle that transfers melanin from melanocytes into keratinocytes of the epidermis
  16. 37. oily substance that is composed of a mixture of lipids that lubricates the skin and hair
  17. 41. collagen-rich skin formed after the process of wound healing that is different from normal skin
  18. 42. structure that forms an impermeable junction between cells
  19. 44. in hair, the second or middle layer of keratinocytes originating from the hair matrix, as seen in a cross-section of the hair bulb
  20. 45. (plural = dermal papillae) extension of the papillary layer of the dermis that increases surface contact between the epidermis and dermis
  21. 48. burn that penetrates and destroys the full thickness of the skin (epidermis and dermis)
  22. 49. type of callus that is named for its shape and the elliptical motion of the abrasive force
  23. 50. genetic disorder that affects the skin, in which there is no melanin production
  24. 51. part of hair that is below the epidermis anchored to the follicle
  25. 52. outermost tissue layer of the skin
  26. 54. type of scar that has layers raised above the skin surface
  27. 55. part of the nail that is lodged deep in the epidermis from which the nail grows
  28. 56. skin and its accessory structures
  29. 58. layer of the epidermis between the stratum granulosum and stratum corneum, found only in thick skin covering the palms, soles of the feet, and digits
  30. 59. superficial burn that injures only the epidermis
  31. 60. mass of connective tissue, blood capillaries, and nerve endings at the base of the hair follicle
  32. 62. pigment that determines the color of hair and skin
  33. 63. transitional phase marking the end of the anagen phase of the hair growth cycle
  34. 67. granulated protein found in the stratum granulosum
  35. 68. burn in which full thickness of the skin and underlying muscle and bone is damaged
  36. 69. layer of epidermis upon which the nail body forms
  37. 70. cell found in the stratum basale of the epidermis that produces the pigment melanin
  38. 71. thickened layer of stratum corneum that lies below the free edge of the nail
  39. 72. the basement membrane that is found between the epithelium of the external root sheath and the connective tissue sheath
Down
  1. 1. fold of epithelium that extends over the nail bed, also called the eponychium
  2. 2. superficial layer of the dermis, made of loose, areolar connective tissue
  3. 3. layer of the epidermis superficial to the stratum spinosum
  4. 4. deepest layer of the epidermis, made of epidermal stem cells
  5. 5. sore on the skin that develops when regions of the body start necrotizing due to constant pressure and lack of blood supply; also called decubitus ulcers
  6. 7. in hair, the outermost layer of keratinocytes originating from the hair matrix, as seen in a cross-section of the hair bulb
  7. 10. disease in children caused by vitamin D deficiency, which leads to the weakening of bones
  8. 12. type of oil gland found in the dermis all over the body and helps to lubricate and waterproof the skin and hair by secreting sebum
  9. 13. deeper layer of the dermis; it has a reticulated appearance due to the presence of abundant collagen and elastin fibers
  10. 14. fold of epithelium at that extend over the sides of the nail body, holding it in place
  11. 15. (also, tactile corpuscle) receptor in the skin that responds to light touch
  12. 16. partial-thickness burn that injures the epidermis and a portion of the dermis
  13. 17. layer of basal cells from which a strand of hair grows
  14. 18. receptor cell in the stratum basale of the epidermis that responds to the sense of touch
  15. 20. type of sweat gland that is common throughout the skin surface; it produces a hypotonic sweat for thermoregulation
  16. 22. layer of skin between the epidermis and hypodermis, composed mainly of connective tissue and containing blood vessels, hair follicles, sweat glands, and other structures
  17. 23. skin condition in which melanocytes in certain areas lose the ability to produce melanin, possibly due an autoimmune reaction that leads to loss of color in patches
  18. 25. innermost layer of keratinocytes in the hair follicle that surround the hair root up to the hair shaft
  19. 27. (also, lamellated corpuscle) receptor in the skin that responds to vibration
  20. 29. resting phase of the hair growth cycle initiated with catagen and terminated by the beginning of a new anagen phase of hair growth
  21. 30. type of skin cancer that originates from the melanocytes of the skin
  22. 31. main keratinous plate that forms the nail
  23. 32. cavity or sac from which hair originates
  24. 35. spread of cancer cells from a source to other parts of the body
  25. 37. most superficial layer of the epidermis
  26. 38. sweat gland
  27. 39. outer layer of the hair follicle that is an extension of the epidermis, which encloses the hair root
  28. 40. connective tissue connecting the integument to the underlying bone and muscle
  29. 43. smooth muscle that is activated in response to external stimuli that pull on hair follicles and make the hair “stand up”
  30. 46. type of sweat gland that is associated with hair follicles in the armpits and genital regions
  31. 47. active phase of the hair growth cycle
  32. 53. part of hair that is above the epidermis but is not anchored to the follicle
  33. 57. specialized dendritic cell found in the stratum spinosum that functions as a macrophage
  34. 61. skin condition due to infected sebaceous glands
  35. 64. clear protein-bound lipid found in the stratum lucidum that is derived from keratohyalin and helps to prevent water loss
  36. 65. basal part of the nail body that consists of a crescent-shaped layer of thick epithelium
  37. 66. type of stem cell found in the stratum basale and in the hair matrix that continually undergoes cell division, producing the keratinocytes of the epidermis