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Integumentary System


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Biology 120

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Integumentary System

  1. 1. INTEGUMENTARY SYSTEMCHAPTER 3BIOLOGY 120<br />Cheryl A. Kirby<br />
  2. 2. WHAT IS THE INTEGUMENTARY SYSTEM?<br />The skin and accessory organs (sweat glands, sebaceous glands, hair, and nails)<br />
  3. 3. FUNCTION<br />Provides barrier from outside environment<br />Houses sensory receptors<br />Secretes important fluids<br />Regulates temperature<br />
  4. 4. TERMINOLOGY<br />There are many medical terms that refer to the skin and skin conditions<br />We make these words by using a root word with a combining form and a suffix<br />
  5. 5. DERMAT/O (means skin)<br />Dermat/o plus logist = dermatologist<br /> one who studies the skin<br />Dermat/o plus plasty = dermatoplasty<br /> surgical repair to the skin<br />Dermat/o plus itis = dermatitis<br /> inflammation of the skin<br />
  6. 6. MELAN/O (means black)<br />Melan/o plus cyte = melanocyte<br /> special cells in the basal layer of the epidermis<br />Melan/o plus oma = melanoma<br />skin cancer caused by overgrowth of melanin in a melanocyte<br />
  7. 7. -DERMA (suffix meaning skin)<br />Scler/o plus –derma = scleroderma<br /> disorder in which skin becomes taut, thick, and leatherlike<br />Leuk/o plus – derma = leukoderma<br />disappearance of skin pigment causing milk-white patches<br />Ichthy/o plus –derma = ichthyoderma<br /> dry and scaly skin condition<br />
  8. 8. ONYCH/O (refers to the nail)<br />Onych/o plus ia = onychia<br /> infected nail bed<br />Onych/o plus malacia = onychomalacia<br />softening of the nails<br />Onych/o plus phagia = onychophagia<br /> nail biting<br />
  9. 9. LIP/O (means fat)<br />Lip/o plus oma = lipoma<br /> fatty mass<br />Lip/o plus ectomy =lipectomy<br /> removal of fat<br />
  10. 10. CONCLUSION<br />When we use a root word with it’s combining form and add a suffix we can make several different medical terms that have very different meanings<br />