Plasmolysis Loss of water from a walled cell(e.g. of a plant or bacterium) due to osmosis to the point at which the protoplast shrinks away from the cell wall.

• 质壁分离：由于渗透作用使具有细胞壁的细胞（如植物或细菌）失水，原生质收缩与细胞壁分离。