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The Integumentary System. Chapter 12. Overview of Structures, Combining Forms, and Functions of the Integumentary System. Skin. Primary Function First line of defense for the immune system Waterproofs the body Major receptor for the sense of touch Related Word Parts (Combining Forms)
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The Integumentary System Chapter 12
Overview of Structures, Combining Forms,and Functions of the Integumentary System
Skin • Primary Function • First line of defense for the immune system • Waterproofs the body • Major receptor for the sense of touch • Related Word Parts (Combining Forms) • cutane/o • dermat/o, derm/o
The Skin • Epidermis: outermost layer of the skin • Dermis: thick layer of living tissue directlybelow the epidermis • Subcutaneous layer: located just below thelayers of the skin and connects skin tosurface muscles (continues)
Sebaceous Glands • Primary Function • Secrete sebum (oil) to lubricate the skin • Discourage the growth of bacteria on the skin • Related Word Parts (Combining Forms) • seb/o
Sweat Glands • Primary Function • Secrete sweat to regulate body temperature andwater content • Excrete some metabolic waste • Related Word Parts (Combining Forms) • hidr/o
The Skin Click Here to play Skin animation
Hair • Primary Function • Aids in controlling the loss of body heat • Related Word Parts (Combining Forms) • pil/i, pil/o
Nails • Primary Function • Protect the dorsal surface of the last bone ofeach finger and toe • Related Word Parts (Combining Forms) • onych/o • ungu/o
Burns Click Here to play Burns animation
Key Word Parts and Definitions • cutane/o • skin • derm/o, dermat/o • skin • hidr/o • sweat • hirsut/o • hairy, rough (continues)
Key Word Parts and Definitions • kerat/o • horny, hard • lip/o • fat, lipid • melan/o • black, dark • myc/o • fungus (continues)
Key Word Parts and Definitions • onych/o • fingernail or toenail • pil/i, pil/o • hair • py/o • pus • rhytid/o • wrinkle (continues)
Key Word Parts and Definitions • seb/o • sebum • urtic/o • rash, hives • xer/o • dry
Question A human being sheds a complete layer of skinevery 4 months. True or False?
Answer False. A human sheds a complete layer of skinevery 4 weeks.
Question Each square inch of human skin consists of howmany feet of blood vessels? • 10 • 20 • 2
Answer b. 20
Question Ulcers can occur on the skin as well as withinthe body. True or False?
Answer True. An ulcer is an open lesion of the skin ormucous membrane.
Question The most common form of skin cancer is: • melanoma • basal cell carcinoma • squamous cell carcinoma
Answer b. Basal cell carcinoma is the most common,but least harmful, type of skin cancer.
Chapter 12 Answers Matching Word Parts 1 12.1. cutane/o 12.2. urtic/o 12.3. erythr/o 12.4. hidr/o 12.5. rhytid/o Matching Word Parts 2 12.6. melan/o 12.7. lip/o 12.8. kerat/o 12.9. pedicul/o 12.10. dermat/o
Chapter 12 Answers Matching Word Parts 3 12.11. xer/o 12.12. myc/o 12.13. hirsut/o 12.14. onych/o 12.15. seb/o Definitions 12.16. cellulitis 12.17. dysplastic nevi 12.18. alopecia areata 12.19. hematoma 12.20. diaphoresis 12.21. cicatrix 12.22. bulla 12.23. debridement 12.24. second-degree 12.25. verrucae
Chapter 12 Answers Matching Structures 12.26. keratin 12.27. unguis 12.28. sebaceous glands 12.29. mammary glands 12.30. dermis Which Word? 12.31. onychocryptosis 12.32. impetigo 12.33. laceration 12.34. basal cell 12.35. necrotizing fasciitis
Chapter 12 Answers Spelling Counts 12.36. psoriasis 12.37. eczema 12.38. abscess 12.39. onychia 12.40. scleroderma Abbreviation Identification 12.41. basal cell carcinoma 12.42. irrigation and debridement 12.43. systemic lupus erythematosus 12.44. malignant melanoma 12.45. squamous cell carcinoma
Chapter 12 Answers Term Selection 12.46. granuloma 12.47. pediculosis 12.48. erythema 12.49. scales 12.50. carbuncle Sentence Completion 12.51. purulent 12.52. onychomycosis 12.53. gangrene 12.54. albinism 12.55. urticaria
Chapter 12 Answers Word Surgery 12.56. rhytid, ectomy 12.57. onych/o, myc, -osis 12.58. follicul, -itis 12.59. prurit, us 12.60. ichthy, -osis True/False 12.61. True 12.62. False 12.63. True 12.64. False 12.65. True
Chapter 12 Answers Clinical Conditions 12.66. sclerotherapy 12.67. albinism 12.68. hematoma 12.69. abrasion 12.70. petechiae 12.71. scabies 12.72. Mohs’ 12.73. blepharoplasty 12.74. abscess 12.75. sleep hyperhidrosis Which Is the Correct Medical Term? 12.76. paronychia 12.77. comedo 12.78. psoriasis 12.79. koilonychia 12.80. nevus
Chapter 12 Answers Challenge Word Building 12.81. onychomalacia 12.82. hypohidrosis 12.83. rhinoplasty 12.84. onychoma 12.85. melanopathy 12.86. onychectomy 12.87. anonychia 12.88. dermatopathy 12.89. mycosis 12.90. melanodermatitis Labeling Exercises 12.91. cyst 12.92. pustule 12.93. vesicle 12.94. bulla 12.95. ulcer 12.96. epidermis 12.97. dermis 12.98. subcutaneous 12.99. sebaceous 12.100. sweat