Cells that help initiate the adaptive immune response by placing microbial antigens on their surfaces are generally referred to as:

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Antigen-presenting cells (APCs) are cells that can take up and present microbial antigens on their surfaces to activate T cells and initiate the adaptive immune response. Examples of APCs include dendritic cells, macrophages, and B cells. Helper T cells and regulatory T cells are types of T cells that play different roles in regulating the immune response. B cells are responsible for producing antibodies in response to antigens, but do not directly initiate the adaptive immune response. Mast cells are involved in the innate immune response, releasing histamine and other mediators in response to pathogens.

Cells That Help Initiate the Adaptive Immune Response by Placing