The Integumentary System  (Chapter 5)

   I. Background
         1. Organ
         2. System
      A. Integumentary System
      B. Functions
  II. Epidermis
      A. Stratum Basale
         1. structure
         2. cells
            a. basal cells
            b. Merkel cells
            c. melanocytes
               1) melanin
      B. Stratum Spinosum
         1. structure
         2. cells
            a. keratinocytes
            b. Langerhans' cells
      C. Stratum Granulosum
         1. structure
         2. cell products
             1) keratin
             2) keratohyalin
      D. Stratum Lucidum
         1. structure
         2. cells
            a. eleiden
      E. Stratum Corneum
          1. structure
          2. cells
 III. Dermis
      A. Background
      B. Layers
         1. Papillary Layer
            a. dermal papillae
         2. Reticular Layer
  IV. Hypodermis
   V. Skin color
      A. Melanin

  VI. Accessory Skin Structures
      A. Glands
         1. sweat (Sudoriferous) Glands
            a. Eccrine sweat glands
              1) sudor
           b. Apocrine sweat glands
           c. Ceruminous glands
           d. Mammary glands
         2. sebaceous (Oil) Glands
           a. sebum
      B. Nails
         1. Components
            a. nail body
            b. nail bed
            c. nail root
            d. nail fold
            e. free edge
            f. lunula
      C. Hairs & Hair Follicles
         1. Structure
            a. shaft
               1) layers
                 a) Medulla
                 b) Cortex
                 c) Cuticle
            b. root
               1) hair follicle
               2) hair bulb
                 a) root hair plexus
               3) hair papilla
               4) hair matrix
               5) arrector pili
         2. color
         3. functions