Heterologous
Heterologous
Heterologous (pronunciation: /hɛtəˈrɒləɡəs/) is a term used in various fields of medicine and biology. It originates from the Greek words "heteros" meaning different and "logos" meaning relation.
In immunology, heterologous refers to the reaction between different species, such as the use of animal serum in humans. In genetics, it refers to the presence of the same or similar genetic information in different species. In virology, heterologous refers to a virus that can infect more than one species.
Related Terms
- Homologous: A term that is often contrasted with heterologous. It refers to the same or similar structures in different species that have a common ancestry.
- Antigen: A substance that induces an immune response, especially the production of antibodies. Heterologous antigens are those that are recognized as foreign by the immune system.
- Serum: The clear, yellowish part of blood that remains after clotting. Heterologous serum refers to serum derived from a different species.
- Virus: A small infectious agent that can only replicate inside the living cells of an organism. Heterologous viruses are those that can infect more than one species.
See Also
External links
- Medical encyclopedia article on Heterologous
- Wikipedia's article - Heterologous
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