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When discussing cellular immunity/cell-mediated immunity act as if you are teaching this to someone who's never...

When discussing cellular immunity/cell-mediated immunity act as if you are teaching this to someone who's never heard of it before. Details are important!

Science   Anatomy-And-Physiology   
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Answer #1

Dear Student,

There are two types of immunity .

They are Humoral immunity (mediated by antibodies) and cell mediated immunity ( by T lymphocytes)

* Cell mediated immunity is used for detecting and destroying intracellular pathogens like the cells infected with virus or bacteria.

*As mentioned above, cell mediated immunity occurs majorly through T lymphocytes using CD 4+ and CD 8+ subtypes.

* In this mechanism, the Interleukin receptor induces the Th 1 cell to activate macrophages and neutrophils to the target site.

* The macrophages phagocytose the pathogen.

* This causes the Tc cells to proliferate and recognize foreign antigen present on non professional APCs and attacks pathogens and causes lysis of the cell.

Hope you are clear...

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