- Endocytosis is defined as the process of trapping a particle or substance from the external environment by engulfing it. Endocytosis is of two types viz phagocytosis, also known as cellular eating and pinocytosis, also referred to as cellular drinking.
- Exocytosis, on the other hand, is described as the process of fusing vesicles with the plasma membrane to release their contents to the external environment of the cell.
The basic difference between Exocytosis And Endocytosis is tabulated below.
Exocytosis vs Endocytosis
| Exocytosis | Endocytosis |
| Define | |
| It helps in the process of eliminating waste in the external environment |
It helps in the process of intake of substances from the external environment
|
| Occurs | |
| Constitutive & regulated secretory pathway | Pinocytosis and phagocytosis |
| Vesicle | |
| Fused with the plasma membrane |
A vesicle is formed around the foreign substance
|
| Type of vesicle formed | |
| Secretory Vesicles | Like phagosomes |
| Example | |
| Realizing hormones outside the cell |
Engulfing bacteria by phagocytes
|
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Excellent explanation