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.
See also: List of color film systems. A circa 1850 Hillotype photograph of a colored engraving. Long believed to be a complete fraud, recent testing found that Levi Hill's process did reproduce some color photographically, but also that many specimens had been sweetened by the addition of hand-applied colors.