What is a goigi body?

Golgi body, also called Golgi apparatus or Golgi complex, a complex of membranes and vesicles within eukaryotic cells that functions in the processing, modification, sorting, and packaging of proteins and lipids into vesicles for secretion or storage. The Golgi body was named after the Italian physician Camillo Golgi, who first described it in 1898.

The Golgi body is composed of a series of flattened, stacked membranes called cisternae. The membranes of the Golgi body are studded with protein-processing enzymes that modify proteins by adding various types of sugar molecules to them. These modifications are essential for the proper functioning of proteins.

The Golgi body also plays a role in the sorting and packaging of proteins and lipids into vesicles for secretion or storage. Proteins and lipids that are synthesized in the endoplasmic reticulum (ER) are transported to the Golgi body in vesicles. The Golgi body then modifies these proteins and lipids and sorts them into vesicles based on their destination. Secretory vesicles are transported to the cell membrane and fuse with it, releasing their contents outside the cell. Storage vesicles are transported to the interior of the cell and store their contents until they are needed.

The Golgi body is an essential organelle in eukaryotic cells. It is responsible for the processing, modification, sorting, and packaging of proteins and lipids into vesicles for secretion or storage. Without the Golgi body, these important cellular functions would not be possible.