T-LYMPHOCYTES

Beschreibung

Bio Med and Pathology Mindmap am T-LYMPHOCYTES, erstellt von aahughes am 12/04/2013.
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Mindmap von aahughes, aktualisiert more than 1 year ago
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Erstellt von aahughes vor mehr als 11 Jahre
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Zusammenfassung der Ressource

T-LYMPHOCYTES
  1. CELL MEDIATED RESPONSE
    1. DO NOT produce antibodies
      1. Directly kill pathogens
    2. T-CELLS
      1. PLURIPOTENT MARROW CELL
        1. MATURE IN THE THYMUS GLAND
          1. HELPER, MEMORY, KILLER, SUPPRESSOR
      2. T-HELPER CELL
        1. Communication link
          1. Recognise the non self antigen that the macrophage presents
            1. stimulate B-CELLS to produce plasma cells
              1. B-CELLS cannot do this without T-HELPER CELLS
                1. EFFECTOR CELLS
        2. CYTOTOXIC KILLERS
          1. Attach body cells which have been affected with viruses, bacteria and fungi
            1. Kill the cell by recognition of the VIRAL PROTEIN COAT
              1. Secrete PERFORIN PROTEIN which can perforate the cell membrane (LYSIS)
          2. EFFECTOR AND MEMORY CELLS
            1. Once activated they divide rapidly - POLYCONAL EXPANSION
            2. T-SUPPRESSOR CELLS
              1. REGULATE the action of lymphocytes -
                1. Prevent the system from over reacting to stimuli
              2. T-KILLER CELLS
                1. Activated in the thymus
                  1. Sensitised when they encounter an antigen
                    1. Further development goes on in lymphatic tissues
                      1. T-CELLS emerge with different functions emerge
                2. CYTOKINES
                  1. Act as a signal between cells
                    1. Primary role- immunoregulaton
                  2. COMPLEMENT
                    1. Assist antibodies to neutralise antigen
                      1. When antibodies and complement attack antigen - IMMUNE COMPLEX
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