#mast_cell__mastocyte__labrocyte  a large connective tissue cell that contains histamine and heparin and serotonin which are released in allergic reactions or in response to injury or inflammation
  supertype:  somatic_cell__somaticcell  any of the cells of a plant or animal except the reproductive cells
  part of:  connective_tissue  tissue of mesodermal origin consisting of e.g. collagen fibroblasts and fatty cells; supports organs and fills spaces between them and forms tendons and ligaments

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