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    Roddilla Posts: 145, Reputation: 3
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    #1

    Apr 6, 2012, 08:20 AM
    Immune System question
    Post-secondary student about to do A levels
    From Malta

    Am I correct to think that cell mediated immunity (3rd line of defense) occurs at the tissue level while humoral immunity occurs in the blood and lymph?

    Regarding cell-mediated immunity, am I correct to think that T cells engulf macrophages which have engulfed a foreign particle? Can T cells engulf tissue cells apart from macrophages
    Roddilla's Avatar
    Roddilla Posts: 145, Reputation: 3
    Junior Member
    		  
    #2

    Apr 6, 2012, 08:30 AM
    Immune system
    During a humoral response we know that B lymphocyte recognizes antigen and then B cells proliferate and antibodies are released so that antigen can be recognized by eosinophils, neutrophils, monocytes in the blood. Will T cells recognise these cells and then break them down as well just like they do with infected macrophages ?

    Thanks all for your much appreciated help
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