antigen presentation
[/ˈæn.ti.dʒən ˌprez.ən.ˈteɪ.ʃən/]
nounfemininepl: antigen presentations / apresentações de antígenos
apresentação de antígeno
1. The process by which antigen-presenting cells (APCs) display processed antigens on their surface via major histocompatibility complex (MHC) molecules to activate T cells and initiate an immune response
Antigen presentation is a critical step in adaptive immunity, allowing the immune system to recognize and respond to pathogens.
A apresentação de antígeno é uma etapa crítica na imunidade adaptativa, permitindo que o sistema imunológico reconheça e responda aos patógenos.
2. In immunology, the mechanism by which dendritic cells, macrophages, or B cells present processed pathogenic material to helper T cells (CD4+) or cytotoxic T cells (CD8+)
MHC Class II molecules are responsible for antigen presentation to CD4+ T helper cells.
As moléculas MHC Classe II são responsáveis pela apresentação de antígenos às células T auxiliares CD4+.
This is specialized medical and immunological terminology used uniformly in both Brazil and Portugal within academic, research, and clinical settings. It is essential vocabulary for immunology students, researchers, and healthcare professionals. The term has no colloquial variations and is rarely used outside scientific contexts.
Related Idioms & Phrases
antigen presentation pathway
professional antigen-presenting cells
cross-presentation mechanism
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