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CLASSIFICATION OF BODY MEMBRANES. Epithelial Membranes  1. Cutaneous Membrane  2. Mucous Membranes  3. Serous Membranes.

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Presentation on theme: "CLASSIFICATION OF BODY MEMBRANES. Epithelial Membranes  1. Cutaneous Membrane  2. Mucous Membranes  3. Serous Membranes."— Presentation transcript:

1 CLASSIFICATION OF BODY MEMBRANES

2 Epithelial Membranes  1. Cutaneous Membrane  2. Mucous Membranes  3. Serous Membranes

3 1. Cutaneous Membrane  Skin!  Stratified squamous epithelium with keratin  Has an underlying dermis  Differs from the other types of epithelial membranes: It is DRY!

4 Cutaneous Membrane

5 2. Mucous Membranes  Lines all body cavities OPEN to the outside world  Either stratified squamous or simple columnar  Moist/Wet  Absorption  Secretion

6 Mucous Membranes

7 3. Serous Membranes  Line body cavities CLOSED to the outside world  Single layer of simple squamous epithelium  Serous membranes occur in pairs  Visceral  Parietal  Both membranes secrete “serous fluid” so that organs can move without friction

8 Parietal vs. Visceral

9 Pleura & Pericardium

10 Peritoneum

11 Connective Tissue Membranes  NO epithelium; just connective tissue  Synovial membranes  Line the capsules that surround joints  Provide a smooth surface  Secrete “synovial fluid,” which lubricates

12 Synovial Membranes


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