Describe and define some aspect of exocytosis or endocytosis?

Exocytosis: It is defined as the process of membrane-bound vesicles fusing with the plasma membrane and later releasing their contents to the extracellular part of the cell.

Endocytosis: It is defined as the process of capturing a particle from outside the cell by the engulfing process with the cell membrane. It is basically two types:

1) Pinocytosis: Cellular drinking.

2) Phagocytosis: Cellular eating.