Integumentary system

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Integumentary system

  1. 1. Integumentary System<br />Shanna Visarraga and Lacey Branch<br />
  2. 2. Structure of the Integumentary<br />
  3. 3. Functions<br />Protect<br />Prevent water loss<br />Temperature regulation<br />Metabolic regulation<br />Immune defense<br />Sensory receptor<br />Excretion by means of secretion<br />
  4. 4. Epidermis<br />Skin color<br />Hemoglobin, melanin, carotene<br />Thick skin<br />Palms of hands, soles of feet<br />Thin skin<br />Most of the body<br />Fingerprints<br />
  5. 5. Dermis<br />Papillary layer<br />Dermal papillae<br />Epidermal ridges<br />Reticular layer<br />“Network”<br />Stretch marks, wrinkles, <br /> and lines of cleavage<br />
  6. 6. Subcutaneous<br />Not considered part of the integumentary<br />Composed of areolar connective tissue and adipose connective tissue<br />
  7. 7. Accessory Organs: Nails<br />Nails<br />
  8. 8. Nail Disorders<br />Onychomycosis<br />Fungal infection<br />Treatment: oral fungal medication<br />Yellow Nail Syndrome<br />Nail growth thickens and stops<br />Often a sign of respiratory disease<br />
  9. 9. Nail Disorders<br />Spoon nail<br />Nails are concave instead of convex<br />Often a sign of iron deficiency<br /><ul><li>Beau’s lines
  10. 10. Run horizontally across nail
  11. 11. Can be sign of chronic malnutrition</li></li></ul><li>Accessory Organs: Hair<br />Hair<br />Lanugo<br />Vellus<br />Terminal hair<br />
  12. 12. Functions of Hair<br />Protection<br />Heat retention<br />Facial expression<br />Sensory reception<br />Visual identification<br />Chemical signal dispursal<br />
  13. 13. Exocrine glands of the skin<br />Sweat glands<br />Merocrine<br />Thermoregulation, secretion, and protection<br />Apocrine<br />Secretes into hair follicles <br />
  14. 14. Exocrine glands of the skin<br />Sebaceous<br />Sebum<br />Oily, waxy secretion<br />
  15. 15. Burns<br />First Degree<br />Redness, pain, slight edema<br />Second Degree<br />Red, blistered, painful<br />Third Degree<br />Skin loss and grafting<br />
  16. 16. Skin Cancer<br />Basal cell carcinoma<br />Most common<br />Least dangerous<br />Usually on face<br />Appearance is small, shiny, and enlarges with pearly edge<br />Treatment: surgical removal<br />
  17. 17. Skin Cancer<br />Squamous cell carcinoma<br />Appears on scalp, ears, lower lip, or back of hand<br />Red, scaly, and elevated edges<br />Surgical removal<br /><ul><li>Note: May metastasize to other parts of body</li></li></ul><li>Skin Cancer<br />Malignant melanoma<br />Most deadly<br />Unusual changes in mole<br />Surgical removal<br />Asymmetry<br />Border<br />Color<br />Diameter<br />
  18. 18. Acne<br />Comedo<br />Open comedo is called a “black head”<br />Closed is called a “white head”<br />Papule<br />Dome-shaped<br />Mixture of white blood cells, dead cell, and bacteria<br />
  19. 19. Acne<br />Nodule<br />Similar to papule<br />Extends into deeper layers of skin<br />Will cause scarring<br /><ul><li>Cyst
  20. 20. Fluid filled
  21. 21. Can become severely inflamed and painful
  22. 22. Will cause scarring</li></li></ul><li>Integumentary system: the good, the bad, and the ugly<br />

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