Scavenger
Scavenger
Scavenger (pronunciation: /ˈskavɪn(d)ʒər/) is a term used in various fields of medicine to refer to different entities that help in the removal or degradation of waste materials, toxins, or other unwanted substances in the body. The term is derived from the Middle English word 'scavager', which means a person employed to remove refuse from streets.
In Immunology
In the field of Immunology, scavengers refer to certain types of white blood cells, such as macrophages and neutrophils, that engulf and destroy pathogens, dead cells, and other debris in the body. These cells play a crucial role in the body's immune response.
In Biochemistry
In Biochemistry, scavenger molecules, such as antioxidants, are substances that can neutralize harmful free radicals in the body, thereby preventing cellular damage and reducing the risk of various diseases.
In Pharmacology
In Pharmacology, scavenger drugs are medications that can bind to and neutralize specific substances in the body. For example, chelating agents are a type of scavenger drug that can bind to heavy metals in the body, facilitating their removal.
Related Terms
- Phagocytosis: The process by which certain cells engulf and destroy pathogens or debris.
- Oxidative Stress: A condition characterized by an imbalance between the production of free radicals and the body's ability to counteract their harmful effects.
- Detoxification: The process of removing toxic substances from the body.
See Also
External links
- Medical encyclopedia article on Scavenger
- Wikipedia's article - Scavenger
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