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3.05 Remember the structures of the Integumentary System. Essential Questions. What are the structures of the integumentary system?. Structures of the integumentary s ystem. Layers of the integumentary system Epidermis Dermis Subcutaneous .

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Presentation Transcript
essential questions
Essential Questions

What are the structures of the

integumentary system?

3.05 Remember the structures of the integumentary system

structures of the integumentary s ystem
Structures of the integumentary system

Layers of the integumentary system

  • Epidermis
  • Dermis
  • Subcutaneous

About the size of a shower curtain in an adult.

3.05 Remember the structures of the integumentary system

structures of the integumentary s ystem1
Structures of the integumentary system

Epidermis

  • Outermost covering
  • Made of epithelial cells
  • Avascular

3.05 Remember the structures of the integumentary system

structures of the integumentary s ystem2
Structures of the integumentary system

Dermis

  • True skin
  • Made of connective tissue
  • Vascular

3.05 Remember the structures of the integumentary system

structures of the integumentary s ystem3
Structures of the integumentary system

Dermis contains many structures (organs)

  • Connective tissue
  • Collagen tissue bands
  • Elastic fibers
  • Numerous blood vessels
  • Nerve endings
  • Muscles
  • Hair follicles
  • Oil glands
  • Sweat glands
  • Fat cells

subcutaneous

3.05 Remember the structures of the integumentary system

structures of the integumentary s ystem4
Structures of the integumentary system

Subcutaneous layer

  • Hypodermal
  • Lies under the dermis
  • Sometimes called superficial fascia
  • Consists of loose connective tissue
  • Contains one-half of the body’s stored adipose tissue

epidermis,

dermis

subcutaneous

3.05 Remember the structures of the integumentary system

structures of the integumentary s ystem5
Structures of the integumentary system

With age, the subcutaneous layer begins to disappear; this causes the skin to sag and wrinkle.

epidermis,

dermis

subcutaneous

3.05 Remember the structures of the integumentary system

structures of the integumentary s ystem6
Structures of the integumentary system

Appendages

  • Hair
  • Nails
  • Glands
    • Sweat glands
    • Sebaceous glands

epidermis,

dermis

subcutaneous

3.05 Remember the structures of the integumentary system

structures of the integumentary s ystem7
Structures of the integumentary system

Hair

  • Cortex and medulla
  • Root and shaft
  • Hair follicle
  • Papilla
  • Arrector pili muscle

Beards are the fastest growing hairs.

Nearly 30 feet in a lifetime!

3.05 Remember the structures of the integumentary system

structures of the integumentary system
Structures of the integumentary system

Nails

  • Made of keratin
  • Originate from the nail root

Did you know????

In Egypt, the status of women were established by the color of their nail… red being the highest.

3.05 Remember the structures of the integumentary system

structures of the integumentary s ystem8
Structures of the integumentary system

Sudoriferous glands

  • Sweat glands
  • Present in large numbers under arms, palms of hands, and soles of feet

3.05 Remember the structures of the integumentary system

structures of the integumentary s ystem9
Structures of the integumentary system

Sebaceous glands

  • microscopic glands
  • located adjacent to a hair follicle

3.05 Remember the structures of the integumentary system

structures of the integumentary system1
Structures of the integumentary system
  • Microscopic view

of the skin

3.05 Remember the structures of the integumentary system

essential questions1
Essential Questions

What are the structures of the

integumentary system?

3.05 Remember the structures of the integumentary system