1. Body Membranes 1

2. Membranes are simple organs Covers surfaces Line body cavities Form protective sheets around organs 2

3. Classification of membranes Epithelial  Mucous  Serous  Cutaneous (covers the body surface) Synovial membrane  Lines joint cavities (articulation)  Areolar connective tissue 3

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5. Mucous membranes Line cavities that communicate with the exterior Contain lamina propria: loose connective tissue Epithelial tissue: stratified squamous, simple columnar,etc Produces mucus Wet membranes  Mucus x urine 5

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7. Serous membranes Line sealed internal cavities Secretes serous fluid Simple squamous epithelial Endothelium  Lines blood vessels Endocardium  Lines the heart cavity 7

8. Serous membranes Mesothelium  Two layers:Visceral x parietal Pleura Peritoneum Pericardium 8