Golgi Apparatus
Golgi Apparatus (pronunciation: gɒlˈdʒiː, ˈɡoʊl-, ˈɡɒl-, -dʒaɪ, -dʒiː) is an important organelle found in the eukaryotic cells of most living organisms. The term "Golgi Apparatus" is named after its discoverer, Italian physician Camillo Golgi in 1898.
Etymology
The term "Golgi Apparatus" is derived from the name of its discoverer, Camillo Golgi, an Italian physician. The term "apparatus" is a Latin word which means "equipment" or "machinery".
Function
The primary function of the Golgi Apparatus is to process and package the macromolecules such as proteins and lipids that are synthesized by the cell. It is particularly significant in the processing of proteins for secretion. The Golgi Apparatus modifies, sorts, and packages these molecules for transport to different destinations within or outside the cell.
Structure
The Golgi Apparatus is composed of a series of flattened, stacked pouches called cisternae. The number of cisternae in a Golgi stack differs among cellular species and depends in part on the functional specialization of the cell.
Related Terms
- Endoplasmic Reticulum: The endoplasmic reticulum (ER) is a type of organelle in the cells of eukaryotic organisms that forms an interconnected network of flattened, membrane-enclosed sacs or tubes known as cisternae, and is connected to the nuclear envelope.
- Lysosome: A lysosome is a membrane-bound organelle found in many animal cells. They are spherical vesicles that contain hydrolytic enzymes that can break down many kinds of biomolecules.
- Vesicle: A vesicle is a small structure within a cell, consisting of fluid enclosed by a lipid bilayer.
See Also
External links
- Medical encyclopedia article on Golgi Apparatus
- Wikipedia's article - Golgi Apparatus
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