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Med Science, immun
| Question | Answer |
|---|---|
| What is phagocytosis? | Bulk movement of solid material into cells, it is completed by active transport and occurs in phagocytes, a type of white blood cell |
| What are bacterium? | |
| What are phagosomes? | |
| What are lysosomes? | Membrane-bound vesicles containing digestive enzymes that break down waste molecules |
| What are phagolysosomes | |
| What is a bacterial fragment? | |
| What does 'self' mean? | self cells (Y) |
| What does 'non self'? | Non self cells (Y) |
| What are characteristics of the innate immune system? | Rapid, non-specific, Agressive |
| What is TLR signalling? | |
| What are Toll-like receptors? | |
| What are endosomal nucleic acid sensors? | |
| What is an infectious agent? | |
| What are characteristics of the adaptive immune system? | |
| List the specific defence mechanisms and explain each: | |
| What is the humoral defense system? | |
| What is the cell mediated response? | |
| What are T and B cells? Where do they mature? | |
| Lymphocytes? how do they know what their target is? How do they find it? | |
| What are the differences between primary and secondary lymphoid tissue? | |
| What are NK cells? | |
| Define clonal expansion | |
| Define positive and negative selection | |
| What are receptors? | |
| What is the thymus? | |
| What are lymph nodes? | |
| What is the spleen, what is it's role? | |
| What's surface immunoglobulin (sIG) | |
| What is TCR? | |
| Are lymphocytes identical to each other? | |
| Where do T cells mature? | |
| How many types of lymphocytes are there? | |
| What allows cells to be specific? | |
| What maintains immunological memory? | |
| Where do lymphocytes come from? | |
| Name two components that can make holes in cells: |