Cytolysis or osmotic lysis occurs in animal cells and certain bacteria, especially when the cells are exposed to a hypotonic environment, causing the water to move into the cell, thereby increasing or expanding the cell. If the cell membrane cannot regulate or hold the excessive influx of water, the cell will eventually burst. Osmotic lysis does not occur in plant cells because of the cell wall that contains the turgor pressure.
Related forms: cytolytic (adjective).
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... sensitive to osmotic stress. If the bacteria were in a HYPOtonic solution – the plasma membrane (cell membrane/phospholipid bilayer) would burst (cytolysis). If the bacteria were in a HYPERtonic solution, the plasma membrane would weaken and/or collapse and be “paralyzed” (plasmolysis). To prevent ...
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