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Epithelial Tissue Lab

Epithelial Tissue Lab. Examples of images and other useful information!. Human Skin - Normal. Lumen = Open Space Stratified Squamous Epithelium – Keratinized Basement Membrane Connective Tissue. Normal Skin vs. Skin Cancer (Squamous Cell Carcinoma).

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Epithelial Tissue Lab

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  1. Epithelial Tissue Lab Examples of images and other useful information!

  2. Human Skin - Normal Lumen = Open Space Stratified Squamous Epithelium – Keratinized Basement Membrane Connective Tissue

  3. Normal Skin vs. Skin Cancer (Squamous Cell Carcinoma) Squamous cells are growing “down” into the connective tissue. Problem = Inadequate blood supply to all epithelial tissue.

  4. Human Lung - Alveoli Simple Squamous Epithelial Tissue Lumen = Air Space Capillary = small blood vessel Basement Membrane = to small to see!

  5. Human Lung - Emphysema Alveoli (SSE) have broken open, enlarging the lumen (air space) Problem:Less surface area for O2 and CO2 exchange.

  6. Human Kidney- Normal Simple Cuboidal Epithelium – allows for filtration of water and salts. Lumen – collecting duct for excess water and salts. Basement Membrane Connective Tissue (very little)

  7. Kidney Carcinoma – Various Types Irregular growth of epithelial cells or connective tissue. Problem:Ducts are improperly formed, leading to poor filtration of water, waste and salts.

  8. Human Aorta - Normal Simple Squamous Epithelium – Provides smooth surface on interior of artery. Lumen – inside of blood vessel Basement membrane Smooth Muscle Tissue Connective Tissue

  9. Artery - Atherosclerosis Plaque and cholesterol are stored under the SSE. Problems:Narrows artery, leaves interior of artery rough and decrease elasticity of artery.

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