Thrombocytes are platelets, a type of white blood cell (WBC) which help to clot blood when an organism sustains an injury by initiating the clotting process. They are generally smaller than the RBCs surrounding them, as seen here. The platelets are the small purple looking dots in between the RBCs. Do you see them? They are fragments from a larger cell in the bone marrow called a megakaryocyte. They are round to oval in shape. The small puprle dot is its center part (NOT a nucleus) which sometimes appears more bluish. If you look closely you can see a more pale blue color just around the purple center.

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