Skin Structure

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A lesson on basic skin structure for cosmetology students.

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  • Introductory notes.
  • Objectives for instruction and expected results and/or skills developed from learning.
  • Relative vocabulary list.
  • A list of procedures and steps, or a lecture slide with media.
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  • An opportunity for questions and discussions.
  • Skin Structure

    1. 1. Skin Structure<br />Ms. SmithSkin Care<br />
    2. 2. Introduction<br /><ul><li>Skin Facts
    3. 3. Skin care is a multi-billion dollar business.
    4. 4. Skin is the largest organ of the human body. (Average adult’s skin = 8 pounds and covers 22 square feet.)
    5. 5. The skin has many important functions.
    6. 6. We lose about 50 million skin cells a day!</li></li></ul><li>Objectives<br /><ul><li>Objectives
    7. 7. List the functions of the skin.
    8. 8. Describe the structure and composition of the skin.
    9. 9. Define important terms relating to the skin.
    10. 10. Assessments
    11. 11. Written – Test on Friday
    12. 12. Practical – Facial exchange on Thursday </li></li></ul><li>Word List<br /><ul><li>Dermatology
    13. 13. Dermatologist
    14. 14. Esthetician
    15. 15. Dermis
    16. 16. Epidermis
    17. 17. Stratum Layers (5)
    18. 18. Adipose Tissue
    19. 19. Reticular Layer
    20. 20. Body Temperature
    21. 21. Papillary Layer
    22. 22. Subcutaneous tissue
    23. 23. Sweat gland
    24. 24. Sebaceous gland
    25. 25. Sebum
    26. 26. Follicle
    27. 27. Collagen and Elastin Fibers</li></li></ul><li>Dermatology<br /><ul><li>The study of skin
    28. 28. Dermatologist vs. Esthetician</li></li></ul><li>Functions of Skin<br /><ul><li>Protection
    29. 29. Sensation
    30. 30. Heat regulation
    31. 31. Excretion
    32. 32. Secretion
    33. 33. Absorption</li></li></ul><li>Three Main Layers<br /><ul><li>Epidermis
    34. 34. Dermis
    35. 35. Subcutaneous</li></li></ul><li>Subcutaneous<br /><ul><li>Fatty layer, also called adipose
    36. 36. Bottom most layer of the skin
    37. 37. Varies in thickness
    38. 38. Gives smoothness and contour to the body
    39. 39. Energy source
    40. 40. Protective cushion for the outer skin</li></li></ul><li>Dermis<br /><ul><li>Above subcutaneous layer
    41. 41. Sensitive layer of connective tissue that contains:
    42. 42. Blood vessels
    43. 43. Lymph vessels
    44. 44. Nerves
    45. 45. Sudoriferous glands - sweat
    46. 46. Sebaceous glands - oil
    47. 47. Hair follicles
    48. 48. Arrectorpili muscles
    49. 49. papillae
    50. 50. Two layers
    51. 51. Reticular layer(deeper layer)
    52. 52. Papillary layer (dermal papillae, tactile corpuscles, melanin)
    53. 53. Collagen fibers and elastin
    54. 54. Allow skin to stretch and contract as necessary
    55. 55. Weakened fibers = wrinkles, sagging, cellulite</li></li></ul><li>Epidermis<br /><ul><li>Outermost layer (also called cuticle)
    56. 56. No blood vessels
    57. 57. Small nerve endings
    58. 58. 5 layers
    59. 59. Stratum corneum
    60. 60. Stratum lucidum
    61. 61. Stratum granulosum
    62. 62. Stratum spinosum
    63. 63. Stratum basale</li></li></ul><li>Structure of the Skin<br />
    64. 64. Questions/Discussions<br /><ul><li>What gives skin its color?
    65. 65. What gives skin its strength, form, and flexibility?
    66. 66. Name the 3 main layers of the skin.
    67. 67. Name the 5 layers of the epidermis from top to bottom.</li>

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