Autophagosome
Autophagosome
Autophagosome (pronunciation: /ɔːtoʊˈfædʒoʊˌsoʊm/) is a cellular structure involved in the process of autophagy.
Etymology
The term "autophagosome" is derived from the Greek words auto meaning "self", phagein meaning "to eat", and soma meaning "body". Thus, the term literally translates to "self-eating body".
Definition
An autophagosome is a double-membraned vesicle that forms around a portion of the cytoplasm, including organelles, in a cell during autophagy. It is a key component in the process of cellular degradation and recycling, where it engulfs cellular components to be degraded and transports them to the lysosome for degradation.
Related Terms
- Autophagy: The cellular process that involves the formation of autophagosomes.
- Lysosome: An organelle in the cell that degrades waste materials and cellular debris.
- Cytoplasm: The material within a living cell, excluding the cell nucleus.
- Vesicle: A small structure within a cell, consisting of fluid enclosed by a lipid bilayer.
- Organelle: A specialized subunit within a cell that has a specific function.
See Also
External links
- Medical encyclopedia article on Autophagosome
- Wikipedia's article - Autophagosome
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