Tissue injury can result in either regeneration or healing. Explain the similarities and differences between these responses, highlighting the significance of the Extraacellular Matrix

A cold treatment, specifically an ice massage, has been ordered for 20 minutes for a patient's complaint of chronic pain. Which of the following observations would indicate a complication of tissue intolerance? 1-Redness or inflammation 2- Mottling or graying 3- Burning or tingling or cold 4-Numbness

Tab. 1. Morphology of cell damage Reversible injury Swelling of endoplasmic reticulum and mitochondria Myelin figure- Breakdown of plasma membrane, organelles, and nucleus; leakage of contents Myelin figure- Inflammation Recovery Amorpous densities in mitochondria Progressive injury NORMAL Membrane blebs NECROSIS Stages of cell damage: 1. 2. Morphological manifestations of reversible cell damage: 1. 2. 3. 4. 5.

Why are cancerous growths that originate in the brain more likely to be composed of neuroglia than of neurons?