A droplet of fluid could thus be transported through the cell without disturbing its cytoplasm. Alternatively, the contents of ... and pinches off to form a vesicle in the cytoplasm. It is believed that a vesicle may carry extracellular fluid to the opposite ... the vesicle may be released to mix with the cytoplasm. See also phagocytosis. ...

In the cytoplasm, where K+ concentration is high, the concentration of Cl− is much below that necessary to balance the sum of ... In the cytoplasm, where K+ concentration is high, the concentration of Cl− is much below that necessary to balance the sum of ... Permeation actually occurs through protein structures embedded in the lipid bilayer and spanning the membrane from cytoplasm to ... Osmotic balance is maintained between the extracellular fluid and the cytoplasm by movement of water through the plasma ...

The work of Tracy Sonneborn (1947), John R. Preer (1948, 1950), and others has shown that changes in the cytoplasm of a ...