Viropexis
Viropexis
Viropexis (pronounced: vī-rō-pek-sis) is a process in which viruses enter host cells. This process is distinct from other forms of viral entry such as endocytosis and fusion.
Etymology
The term "Viropexis" is derived from the Latin words "virus" meaning poison and "pexus" meaning woven. It was first used in the late 20th century to describe the unique process of viral entry into host cells.
Process
Viropexis involves the virus attaching to the host cell surface and then being engulfed by the cell. This is achieved through the interaction of viral surface proteins with specific receptors on the host cell. Once inside the cell, the virus is contained within a vesicle where it can begin to replicate.
Related Terms
- Virus: A small infectious agent that can only replicate inside the cells of another organism.
- Host (biology): An organism that harbors a parasitic, a mutualistic, or a commensalist guest (symbiont), typically providing nourishment and shelter.
- Endocytosis: A cellular process in which substances are brought into a cell by surrounding the material with cell membrane, forming a vesicle containing the ingested material.
- Fusion (biology): The process by which multiple cells or unicellular organisms merge to become one.
See Also
External links
- Medical encyclopedia article on Viropexis
- Wikipedia's article - Viropexis
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