immunolgy

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Cell-mediated immunity. Royalty Free Stock Photo
Cell-mediated immune response Royalty Free Stock Photo
B-cell and T helper cells function. Royalty Free Stock Photo
Lymph node and B-cells and T-cells Royalty Free Stock Photo
T-cell. Activation and lysis of the leukocytes. Royalty Free Stock Photo
   
   
Cytotoxic T cell
Activation of B-cell leukocytes Royalty Free Stock Photo
Activation of T-cell leukocytes Royalty Free Stock Photo
   
   
Immune response. Cell-mediated immunity Royalty Free Stock Photo
Activation of T cell leukocytes. Immune response Royalty Free Stock Photo
Cytotoxic T cell Royalty Free Stock Photo
Cytotoxic T cell. T-cell regulate immune responses, release the perforin and granzymes, and attack infected or cancerous cells. Through the action of perforin, granzymes enter the cytoplasm of the target cell, and lead to apoptosis cell death.


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