There many different types of. leukemia but the four most important forms are derived from only two types of. cells, lymphocytes and myelocytes. Acute myelogenous leukemia is disorders of. granulocytes. Granulocytes produced by bone marrow, engulf and digest bacteria. and other small particles.
Almost all color imaging uses Maxwellâs principles to this day. When motion pictures were invented in the 1890s, there was once again a desire for color images. By 1900, the PathÃ© company in France had designed an elaborate system to hand-color film frames with the use of stencils.
1 Movies and animated cartoons. 2  While some color film processes (including hand coloring) were experimented with and in limited use from the earliest days of the motion picture, the switch from most films being in black-and-white to most being in color was gradual, taking place from the 1930s to the 1960s.