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Integumentary System

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Integumentary System. Integumentary Organ System. integumentum = latin for covering ... Sebaceous (associated with hair) Nails (keratinized cells) Sweat (exocrine) ... – PowerPoint PPT presentation

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Title: Integumentary System


1
Integumentary System
2
Integumentary Organ System
  • integumentum latin for covering
  • protects the body from damage
  • organs include skin, hair, scales, nails

3
How does it protect?
  • waterproofs
  • cushions the deeper layers of the body
  • excretes wastes
  • regulates temperature
  • sensor for pain pressure and temperature

4
4 Types of Membranes
  • Serous membranes
  • Mucous membranes
  • Cutaneous membranes
  • Synovial membranes

5
Serous membranes
  • Line body cavities that lack openings to the
    outside.

6
Thorax and Abdominal Regions
7
Mucus Membranes
  • Line the cavities and tubes that open to the
    outside of the body.

8
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9
Cutaneous membranes
  • Cover the outside of the body. Otherwise known
    as skin.

10
Synovial membranes
  • Line the joint cavities between the ends of
    bones at free moving (synovial) joints.

11
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12
Skin
13
Epidermis
  • Epidermis is made of stratified squamous
    epithelium.

14
Epidermis
  • stratified squamous epithelium
  • stratum basale and stratum corneum
  • keratinization
  • melanocytes and cytocrine secretion

15
Melanin Production
16
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17
Dermis
  • Dermis is made of connective tissue, epithelial
    tissue, smooth muscle tissue, nervous tissue, and
    blood.

18
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19
Hypodermis
  • composed of loose connective tissue and adipose
    tissue
  • functions
  • -conserves heat
  • -carries major blood vessels

20
Hypodermis
21
Hair Formation
22
Glands
  • Sebaceous (associated with hair)
  • Nails (keratinized cells)
  • Sweat (exocrine)
  • -apocrine (emotional)
  • -eccrine (forehead, neck, back)

23
Skin Cancer
  • Cutaneous carcinomas
  • Cutaneous melanomas
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