Pinocytosis, or "cell drinking," refers to the process of a cell engulfing a large, solid particle and bringing it within the contents of the cell.

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Pinocytosis refers to the process of a cell engulfing a small, liquid particle, such as a droplet of extracellular fluid, and bringing it within the contents of the cell. This is different from phagocytosis, which refers to the process of a cell engulfing a large, solid particle.

Pinocytosis, or "Cell Drinking," Refers to the Process of a Cell