These soluble molecules help direct and regulate the immune responses. A white blood cell that is an abundant and important phagocyte. A monoclonal antibody that targets mature T cells. A plant or animal that lives, grows and feeds on or within another living organism. Immunity resulting from the transfer of antibodies or antiserum produced by another individual.
Platelets also contribute to the immune response.
Short for polymorphonuclear leukocytes or granulocytes. Organic compounds made up of amino acids. Proteins are one of the major constituents of plant and animal cells. A nucleic acid that is found in the cytoplasm and also in the nucleus of some cells. One function of RNA is to direct the synthesis of proteins.