The Golgi complex is an essential organelle in the eukaryotic cells, and it plays a crucial role in cell secretion. Here are some of the ways in which the Golgi complex is associated with cell secretion:

Sorting and Modification of Secretory Proteins
- The Golgi complex receives secretory proteins from the endoplasmic reticulum (ER) and sorts them into vesicles according to their destination.
- As the vesicles move through the Golgi complex, enzymes modify the proteins by adding or removing carbohydrate and lipid molecules, or by cleaving them into smaller fragments.
- These modifications ensure that the proteins are properly folded, stabilized, and tagged for transport to their final destination.

Formation of Secretory Vesicles
- The Golgi complex is responsible for the formation of secretory vesicles that carry the modified proteins to the plasma membrane or other organelles.
- The Golgi complex buds off these vesicles, which are coated with specific proteins that help them to fuse with the target membrane and release their contents.

Regulation of Secretory Pathways
- The Golgi complex is involved in regulating the balance between the constitutive and regulated secretory pathways.
- The constitutive pathway continuously secretes proteins and lipids from the cell, while the regulated pathway releases secretory products in response to specific signals.
- The Golgi complex can selectively activate or inhibit these pathways by modifying the transport vesicles or by changing the composition of the Golgi membranes.

In conclusion, the Golgi complex is a central hub for the processing, sorting, and regulation of secretory proteins and vesicles in eukaryotic cells. Its intricate structure and functions ensure that the cell can secrete the right molecules at the right time and place, which is essential for cellular communication, homeostasis, and defense.