word
Antigen Presentation
AN-tih-jen prez-en-TAY-shun
/ˈæntɪdʒən ˌprɛzənˈteɪʃən/Listen
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Syllable breakdown
antigenpresentation
Dictionary meaning
The cellular process by which antigen-presenting cells (APCs) such as dendritic cells, macrophages, and B cells degrade proteins into peptide fragments and display them on MHC molecules for recognition by T lymphocytes, linking innate and adaptive immunity.
Examples
- Dendritic cells are the most potent APCs, specialised for antigen presentation and T cell priming.
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