Anatomy- Accessory Organs 6.2

  1. 1. Nails
    Function to protect ends of fingers & toes
  2. 2. Hair Follicles
    Tube-like depression that holds hair
  3. 1b. Nail- Lunula
    Half-moon region of fasted cell division. New cells highly keratinized
  4. 2b. Hair Roots
    Produce new cells by mitosis. Old cells pushed towards surface and die.
  5. 2c. Produce pigment
    (Amount--> color)
    Melanocytes

    • Lots = Dark hair
    • Medium = Blonde hair
    • None = White
    • Mix = Grey hair
    • Contains trichosiderin = Red hair
  6. 3. Sweat glands
    Sudoriferous glands
  7. 3b. Water, salt, urea & aric acid
    (Function)
    • Eccrine glands
    • Function to cool the body
  8. 3c. Axillary regions, groin
    • Apocrine
    • Active when upset, frightened or in pain
  9. 3d. Modified to secrete ear wax
    Ceruminous glands
  10. 3e. Produce milk postpartum
    Mammary glands
  11. 3f. Produce sebum (oil)
    Sebaceous glands
  12. When cold or upset muscles contract and raise...
    Arrector Pilli muscle (goose bumps)
  13. Parts of the epidermis (5)
    • Avascular
    • Stratum Basale
    • Keratinization
    • Stratum Corneum
    • Melanin
Author
GoBroncos
ID
356261
Card Set
Anatomy- Accessory Organs 6.2
Description
Updated