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版權商用圖片 - Activation of T-cell leukocytes. T-cell encounters its cognate antigen on the surface of an infected cell. T cells direct and regulate immune responses and attack infected or cancerous cells.

Activation of T-cell leukocytes. T-cell encounters its cognate antigen on the surface of an infected cell. T cells direct and regulate immune responses and attack infected or cancerous cells.
圖片編號 : 84800618
媒體類型 : 向量圖像
版權所屬 : designua
4992 x 4992 px | 16.64 " x 16.64 " | 300dpi | JPG
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