Please enable JavaScript.

Coggle requires JavaScript to display documents.

Integumentary system, ชื่อ นางสาว สิริกร แสนจะบก รหัสนิสิต 63010410104 …

- - - - •Basale
        -Mitosis layer,continuously
        replaces epidermal cells ,
        turnover rate between 25 to 50be days
      - •Spinosum
        -Consis of several layers of spiny-shaped cells
        -cell are pushed upward and flatten out
      - •Granulosum
        -Consis of 2-3 layers of flattaner cells
        -Cells lose their nuclei
      - •Lucidum
        -It is only 1or 2 deal cell layers with indistinct boundaries and translucent
      - •Corneum
        -Consists of 25 or more layers of dead squamous cells still joined by desmosomes
      - •Functions
        -Physical barrier to ligth , heat waver , chemical , microorganism
    - - •Keratinocytes
        -Most common cell of
        the epidermis
        -Cells readily divide
        -Provides protection
        and waferprofing
      - •Melanocytes
        -Irregular shaped with
        long processes
        -Produces and transter the
        protein to keratinocytes
      - •Langerhans cells
        -Easily damaged by UV
        -Arise from red bone marrow
        and migrate to the epidermis
      - •Merkel cells
        -They respond to touch sensation
  - - - •Arrector pili กล้ามเนื้อ
        •Sebaceous glands ต่อมไขมัน
        •Apocrine Sweat Glands
        •Eccrine (Merocrine) Sweat Glands
        •Ceruminous glands
        •Mammary glands