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Immune System question

Asked Apr 6, 2012, 08:20 AM — 1 Answer
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

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Roddilla Posts: 145, Reputation: 10
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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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