Complement deficiency
Complement Deficiency
Complement deficiency is a rare immunodeficiency disorder characterized by a decrease or absence of one or more of the proteins that make up the complement system, a group of proteins that work together to destroy foreign substances in the body and help control inflammation.
Pronunciation
Complement deficiency: /ˈkɒmplɪmənt dɪˈfɪʃənsi/
Etymology
The term "complement" comes from the Latin word "complementum", meaning "something that completes". The term "deficiency" comes from the Latin word "deficientia", meaning "a lack or shortage".
Related Terms
- Complement system: A part of the immune system that enhances the ability of antibodies and phagocytic cells to clear microbes and damaged cells from an organism, promote inflammation, and attack the pathogen's cell membrane.
- Immunodeficiency: A state in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent.
- Inflammation: A localized physical condition in which part of the body becomes reddened, swollen, hot, and often painful, especially as a reaction to injury or infection.
- Protein: A molecule composed of polymers of amino acids joined together by peptide bonds.
See Also
External links
- Medical encyclopedia article on Complement deficiency
- Wikipedia's article - Complement deficiency
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