Lec10 - About Tissues REPAIR What happens to your skin and...

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About Tissues REPAIR What happens to your skin and the tissues therein when you get a cut or wound? H0w do you heal? Are there cellular Vs. tissue processes?
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Tissue Repair Tissues can be repaired in two ways: 1. REGENERATION: Replacement of dead of damaged cells by the same cells as before OR 2. FIBROSIS: Replacement of dead or damaged tissue cells by SCAR tissue ( this is mostly collagen fibers… holds organ together BUT does not restore normal function to organ)
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Different Tissues Have Different Regenerative Properties Epithelial, Bone, Aerolar, Dense Irregular : Highly Regenerative Smooth Muscle, Dense Regular CT, : Moderately Well Cardiac and Nervous Tissue in Brain and Spinal Cord: Virtually NO functional regenerative capacity .
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Apoptosis- Programmed Cell Death; AND that it is! This is a very NEAT, ORGANIZED , CONTROLLED PROCESS. ....cells which are “targeted” as bad i.e. cancerous are eliminated via apoptosis via special killer cells. VERSES
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This note was uploaded on 12/08/2011 for the course AMY 2A taught by Professor Jamesivey during the Spring '06 term at Riverside Community College.

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Lec10 - About Tissues REPAIR What happens to your skin and...

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