When Would A Cell Use Pinocytosis?

When Would A Cell Use Pinocytosis? Pinocytosis is a form of endocytosis involving fluids containing many solutes. In humans, this process occurs in cells lining the small intestine and is used primarily for absorption of fat droplets. Why do cells use pinocytosis? The main function of pinocytosis is to absorb extracellular fluids. It plays an