VB SC 050S Study Guide - Quiz Guide: Endothelium, Antigen Processing, Irreversible Process
25 Aug 2016
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Cycle: m phase, g1, s phase, g2. Cell cycle control system: complex network of regulatory proteins, act as biochemical switches to control main events in cell cycle, signals can originate within the cell or outside the cell. Cell necrosis: death of cell as result of injury, cells swell & rupture, cell contents release into inter-cellular spaces, may provoke inflammatory response that can damage adjacent cells. Extracellular signals: mitogens: increase rate of mitosis, growth factors: stimulate cell growth, survival factors: suppress apoptosis. The response of an organism to cell injury . Single cell organism response to injury: internalize substance/particle in phagozome, inactivate by, toxic oxygen radicals, enzyme degradation. Purpose of inflammation: destroy, dilute and isolate noxious agents & consequences of cell damage, heal and reconstitute damage tissue. Inflammation =/= infection: inflammation is in effect a vascular response to tissue & cell injury.
