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Three general Membranes!. Our goals Describe the 3 membrane types – And subtypes Know what tissue each is made of Determine where each would be found.

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Presentation on theme: "Three general Membranes!. Our goals Describe the 3 membrane types – And subtypes Know what tissue each is made of Determine where each would be found."— Presentation transcript:

1 Three general Membranes!

2 Our goals Describe the 3 membrane types – And subtypes Know what tissue each is made of Determine where each would be found Describe each of their general functions

3 Membranes They cover and line parts of the body Made of more than one layer of at least 2 type tissue What is made of more than one tissue??

4 Serous Membranes Line organs and walls in ventral cavities (what cavities reside there?) Moist! Make sliding along each other possible! 2 layers 1.) simple squamous epithelium 2.) thin Areolar CT

5 Serous Membrane Functions Enrich fluid from capillaries with some cell adhesion molecules Fluid between membrane allows for slight movement

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8 2 types of serous membranes Visceral serosa – lines organ Parietal serosa – lines cavity wall

9 Serosa Lungs Parietal Pleura Visceral Pleura Organs (abdominal pelvic) Parietal peritoneum Visceral peritoneum Heart Parietal pericardium Visceral pericardium

10 Mucous Membranes Lines cavities “open” to exterior Wet and moist! Secretes mucous and other products Don’t forget it is great for absorbtion Layers: 1.simple Squamous or columnar 2.Loose CT 3.Smooth muscle (maybe)

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12 Cutaneous Membranes Only “dry” membrane Skin! 2 Layers » Keratinized Stratified Squamous Cells! » Dense Irregular CT


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