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Anatomy, Physiology, and Embryology of the skin - Mind Map2 - Coggle…

- - - - on the eyelids and the scrotum
    - - on the back
- - - - Because sebaceous glands are attached to hair follicles, they are found only on hair-bearing skin
  - - - The highest densities of eccrine glands are on the palms and soles.
    - - like sebaceous glands, are found only in conjunction with hair follicles.
    - - are found almost exclusively in the axillae and the groin
- - - - The average thumbnail takes 6 months to replace itself, whereas the average great toenail takes 8 to 12 months.
      - that the fingernails grow slightly faster than the toenails.
- - - - Within the epidermis, the principal skin cell is the keratinocyte. Other cells found in the epidermis include melanocytes, Merkel cells, and Langerhans cells.
    - - within the dermis is the fibroblast. Fibroblasts make collagen, which forms the mechanical support for the skin.
      - The dermis is a region of high vascularity.
      - The subcutaneous fat tissue is found directly beneath the dermis and is composed primarily of adipocytes.