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pathophys 1
| Question | Answer |
|---|---|
| osmosis | process of water passively moving across the semipermeable plasma membrane |
| active transport | process that requires energy to get across plasma membrane |
| diffusion | movement from areas of high to low concentration |
| passive transport | movement of substances into cells without needing energy |
| facilitated diffusion | movement of substances across the plasma membrane via transport proteins |
| hypertrophy | increase in cell size (due to increased workload) |
| dysplasia | abnormal changes in cell size, arrangement, shape, and structure |
| atrophy | decrease in cell size (due to decreased workload or ischemia) |
| hyperplasia | increase in number of cells (due to accelerated cell division) |
| metaplasia | replacement of one mature cell type with another (often due to persistent stress) |
| transport | movement of nutrients or other substances into and out of the cell, involving passive or active mechanisms |
| communication | transmission of signals between cells to influence cellular behavior, often mediated by receptors |
| secretion | release of substances, such as proteins or enzymes, from vesicles into the extracellular environment via exocytosis |
| respiration | production of ATP through metabolic processes, including glycolysis and mitochondrial respiration |
| ingestion | process by which a cell takes in substances, such as large particles or foreign invaders, through endocytosis or phagocytosis |
| which cellular function involves replacing old or damaged cells with new ones? | apoptosis |
Created by:
alaynak