casta paintings are not an intrinsic expression of spanish colonialism of the eighteenth century and mexico was but a small part of the spanish empire at the beginning of the century yet both authors treat the casta paintings as an element of a universal spanish colonial culture
Exocytosis. Photo by: Alila. Exocytosis is the cellular process in which intracellular vesicles in the cytoplasm fuse with the plasma membrane and release or secrete their contents into the extracellular space.Exocytosis can be constitutive (occurring all the time) or regulated.hoto by: Alila. Exocytosis is the cellular process in which intracellular vesicles in the cytoplasm fuse with the plasma membrane and release or secrete their contents into the extracellular space.
1 Exocytosis, which describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell. 2  Endocytosis, which describes the capture of a substance outside the cell when the plasma membrane merges to engulf it.