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Description
Flashcards by gina_evans0312, updated more than 1 year ago
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Created by gina_evans0312
almost 12 years ago
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| Question | Answer |
| Role of Lymphoid Organs | Origin or initiation of lymph cells |
| Central | Thymus & Bone Marrow |
| Bone Marrow | B cell production & maturation |
| Thymus | Maturation of T-Cells |
| Peripheral | Lymph Nodes, spleen, peyers patches |
| Peyers Patches | T/B cell activity & antigen trapping collections of cells |
| Lymph Node | Encapsulations of B cells connected by lymph vessels |
| MALT | Mucosa Associated Lymphatic Tissue i.e Peyers Patches, tonsils |
| Role of Lymphocytic Traffic | Immune surveillance that allows activation of lymphocytes at site of infection |
| Immune Surveillance | Constant recirculation of lymphocytes to maximise antigen/pathogen detection |
| Lymphocyte recirculation | Pass from blood --> Lymph System (if antigen is not present it moves back into the blood) |
| Encountering Specific Antigen | Lymphocyte proliferates clonally |
| Naive lymphocyte | L. that has not yet encountered antigen it's specific for (recirculate constantly) |
| Effector Cell | Activated (armed) lymphocyte by its antigen |
| Memory Cell location | Spread throughout host to help recognise recurring antigens |
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