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SECTION 4-4 Membranes

SECTION 4-4 Membranes. Membranes are simple organs. Form a barrier Composed of epithelium and connective tissue Four types Cutaneous Synovial Serous Mucous. Figure 4.17 Membranes. Figure 4.17a-d. Mucous membranes. Line cavities that communicate with the exterior

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SECTION 4-4 Membranes

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  1. SECTION 4-4Membranes

  2. Membranes are simple organs • Form a barrier • Composed of epithelium and connective tissue • Four types • Cutaneous • Synovial • Serous • Mucous

  3. Figure 4.17 Membranes Figure 4.17a-d

  4. Mucous membranes • Line cavities that communicate with the exterior • Contain lamina propria

  5. Serous membranes • Line sealed internal cavities • Form transudate

  6. Cutaneous membrane • Covers the body surface • Synovial membrane • Incomplete lining within joint cavities

  7. SECTION 4-5The Connective Tissue Framework of the Body

  8. Organs and systems are interconnected • Network of connective tissue proper consisting of • Superficial fascia • Deep fascia • Subserous fascia

  9. Figure 4.18 The Fasciae Figure 4.18

  10. SECTION 4-8Tissue Injuries and Aging

  11. Inflammation and regeneration • Injured tissues respond in coordinated fashion • Homeostasis restored by inflammation and regeneration

  12. Inflammatory response • Isolates injured area • Damaged cells, tissue components and dangerous microorganisms removed • Infection avoided • Regeneration restores normal function

  13. Figure 4.21 An Introduction to Inflammation Figure 4.21

  14. Aging and tissue repair • Change with age • Repair and maintenance less efficient • Structure altered • Chemical composition altered

  15. Aging and cancer incidence • Incidence of cancer increases with age • 70-80% of all cases due to exposure to chemicals or environmental factors

  16. Figure 4.22 Changes in a Tissue under Stress Figure 4.22

  17. You should now be familiar with: • The four major tissue types and their functions. • The relationship between form and function for epithelial tissue and connective tissue. • The types and functions of epithelial tissues. • The structure and function of connective tissues. • The structure and function of the four types of membrane.

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