Term
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Definition
| The part of the immune system that is SPECIFIC and has MEMORY |
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Term
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Definition
| Molecules that are secreted by PLASMA CELS. They bind antigen in a SPECIFIC manner |
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Term
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Definition
| classic definition - molecules that have specific sequences to which adaptive immune responses can be generated |
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Term
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Definition
| A property of molecules to which an adaptive immune response can be generated |
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Term
| Antigenic determinant (epitope) |
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Definition
| A particular component of an antigen that is recognizable by UNIQUE lymphocyte receptors (That component of an antigen that is recognized by B cells or T cells. T cells recognize ONLY antigens displayed with MHC) |
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Term
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Definition
| Tissue where B cells mature from progenitor cells IN CHICKENS |
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Term
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Definition
| Host dfense system consisting of soluble and membrane-bound protiens |
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Term
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Definition
| small molecules that were originally identified because of thier role in ATTRACTING CELLS TO A PARTICULAR REGION |
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Term
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Definition
| Molecules that are secreted primarily (but not exclusively) by cells of the immune system. These play an important role in the ACTIVATION AND DOWN-REGULATION OF THE IMMUNE SYSTEM |
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Term
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Definition
| See epitope or antigenic determinant |
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Term
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Definition
| See antigenic determinant/ determinant |
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Term
| FOLLICLE-ASSOCIATED EPITHELIUM |
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Definition
| That region of the lumenal epithelium that is NOT covered by MUCOUS |
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Term
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Definition
| That component of a follicle where antigen-induced B cell DIFFERENTIATION occurs |
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Term
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Definition
| A small molecule (<6kD)that is NOT IMMUNOGENIC UNLESS IT BINDS TO A PROTIEN (carrier). CARRIER is a protien to which the small molecule has bound, permitting an ANTI-HAPTEN IMMUNE RESPONSE |
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Term
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Definition
| A term used to refer to the differentiation of various cell types from a pluripotent stem cell. CYTOKINES PLAY AN IMPORTANT PART IN THE PROCESS ! |
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Term
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Definition
| A term used synonomously wiht the CLASSICAL definition of antigenicity - Refers to a molecule that can serve as a stimulus for an ADAPTIVE immune response |
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Term
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Definition
| The component of immunity in which cells and effectors DO NOT HAVE MEMORY, NOR RECEPTORS SPECIFIC FOR AN EPITOPE |
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Term
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Definition
| Polyclonal activator - Can activate B cells WITHOUT T CELL HELP !! |
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Term
| PERAIRTERIOLAR LYMPHATIC SHEATH (PALS) |
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Definition
| Region containing the WHITE pulp |
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Term
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Definition
| Retion of the SPLEEN within PALS" predominant immune cell is the T CELL and where primary T CELL RESPONSES can occur. |
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Term
| Tolerance (self tolerance) |
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Definition
| The fact that the immune system is NOT pathologically activated in the presence of its own antigens. |
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